Delhi Public School Bikaner HOLIDAY ASSIGNMENT FOR SUMMER VACATION (SESSION-2018-19)

CLASS – XII SUBJECT- ACCOUNTANCY

1. A and B entered into partnership on 1st April 2009 without any partnership deed. They introduced

capital of Rs. 5,00,000 and Rs. 3,00,000 respectively. On 31st October 2009 A advanced Rs. 2,00,000 by

way of loan to the firm without any agreement as to interest. The profit and loss account for the year

ended 31st March 2010 showed a profit of Rs. 4,30,000 but the partners could not agree upon the amount

of interest on loan to be charged and the basis of divisions of profits. Pass journal entry for the

distribution of the profit between the partners and prepare the Capital Account of both the partners and

Loan Account of A.

2. L,M and N are partners in a firm sharing profits and losses in the ratio of 2:3:5. On 1st April 2016 their

fixed capital were Rs. 2,00,000, Rs. 3,00,000 and Rs. 4,00,000 respectively. Their partnership deed

provides for the following.

(i) Interest on capital @ 9% p.a.

(ii) Interest on drawings @ 12% p.a.

(iii) Interest on Loan @ 12% p.a.

On 1st July 2016, L brought Rs. 1,00,000 as additional capital and N withdrew Rs. 1,00,000 from his

capital. During the year L,M and N withdrew Rs. 12,000, Rs. 18,000 and Rs. 24,000 respectively for their

personal use. On January 1 , 2017 the firm obtained a loan of Rs. 1,50,000 from M. The net profit of the

firm as on March 31, 2017 after charging interest on M’s Loan was Rs. 85,000. Prepare Profit and Loss

Appropriation Account and Partners Capital Account.

3. A and B are partners sharing profit in the ratio of 3:2 with capitals of Rs. 50,000 and Rs. 30,000

respectively. Interest on Capital is agreed @ 6% p.a. B is to be allowed an annual salary of Rs. 2,500.

During 2016-17 profits of the year prior to calculation of interest on capital but before charging B’s Salary

amounted to Rs. 12,500. Manager is to be allowed a commission of 5% on the profit remaining after

deducting salary and interest on capital but before charging such commission. Prepare an account

showing allocation of profits and partner’s capital account.

4. Mukesh and Ramesh are partners sharing profit and loss in the ratio of 2:1 respectively. They

admitted Rupesh as partner with 1/4th share in profits with guarantee that his share of profit shall be at

least Rs. 55,000. The net profit of the firm for the year ending March 31, 2013 was Rs. 1,60,000. Prepare

Profit and Loss Appropriation Account.

5. A, B and C were partners in a firm, On 1st April 2008 , their fixed capital stood Rs. 50,000, Rs. 25,000

and Rs. 25,000 respectively. As per the provision of partnership deed:-

(i) B was entitled for a salary of Rs. 5,000 p.a.

(ii) All the partners were entitled to interest on capital at 5% p.a.

(iii) Profit was to be shared in the ratio of their capital.

The net profit for the year ending March 31, 2009 of Rs. 33,000 and March 31, 2010 of Rs. 45,000 was

divided equally without providing above terms.

Pass adjustment journal entry to rectify the above error.

6. Amit and Sumit are partners sharing profits and losses in the ratio of 3:2. Firm pays Rs. 1,000 per

month as salary to their manager, Meha who has graduated and who deposited Rs. 30,000 with the firm

carrying interest at 8% p.a. On 1st January 2016, it was decided to treat Neha as their partners w.e.f. 1st

January 2012 at 1/5th share in profit. It was decided to treat her deposit as capital carrying interest on

capital @ 6% p.a. like capital of other partners. The firm profit and losses after above adjustment were as

under:

2012 (Profit) Rs. 60,000

2013 (Loss) Rs. 15,000

2014 (Profit) Rs. 80,000

2015 (Profit) Rs. 91,300.

Record the necessary journal entries.

5. A, B and C are partners having capital of Rs. 3,00,000, Rs. 2,00,000 and Rs. 1,00,000 respectively in a

firm and sharing profits and losses in the ratio of 3:2:1. C is guaranteed a minimum profit of Rs. 30,000

p.a. The firm incurred of loss of Rs. 60,000 for the year ended 31st March 2017. Prepare necessary

accounts for division of loss and giving effect to minimum guaranteed profit to C. Also pass necessary

journal entries in the books of firm. (Ans. Capital A/c balance A Rs. 2,46,000, B Rs. 1,64,000 and C Rs.

1,30,000).

6. A, B and C entered into partnership ion 1st July 2016 to share profit and losses in the ratio of 3:2:1. A

personally guaranteed that C’s share of profit after charging interest on capital @ 6% p.a. would not be

less than Rs. 18,000 p.a. The capital contributed were A Rs. 1,00,000 B: Rs. 50,000 and C Rs. 50,000. The

profit for the period ended 31st March 2017 were Rs. 69,000. Show the distribution of profit. (Ans. A Rs.

26,500, B Rs. 20,000 and C Rs. 13,500)

7. The partners of a firm distributing the profits for the year ended 31st March 2003 Rs. 1,40,000 in the

ratio of 2:2:1 without providing for the following adjustments:

(A) A and B were entitled to a salary of Rs. 1,500 per quarter.

(B) C was entitled to a commission Rs. 8,000

(C) A and C had guaranteed a minimum profit of Rs. 50,000 p.a. to B.

(D) Profit were to be shared in the ratio of 3:3:2.

Pass necessary journal entry for the above adjustments in the books of firm. (Ans. A’s Capital A/c Dr. Rs.

8,000 and C’s Capital A/c Cr. Rs. 8,000)

7. Ram and Shyam are partners sharing profits and losses in the ratio of 3:1. They agreed to admit their

manager, Hari as a partner w.e.f. 1st January 2016 for 1/4th share in of profit. Hari has deposited Rs.

30,000 as security. He was getting a salary of Rs. 24,000 per annum and a commission of 10% on the net

profit after charging his salary and commission. As per partnership deed the security deposit by Hari to be

treated as his share of capital. And excess amount which Hari will get as a partner over the receipt as a

manager would be borne by Ram and Shyam in the ratio of 3:2 Profit for the year 2016 was Rs. 2,00,000

before payment of salary and commission to Hari. Prepare P & L Appropriation Account of the firm during

2016. (Ans. Profit Rs. 2,00,000, Rams Rs. 1,14,000 Shyams Rs. 36,000 and Hari Rs. 50,000)

8. A, B and C are partners in a firm sharing profits and losses in the ratio of 3:2:1. They had capital of Rs.

3,00,000 (Cr.), Rs. 2,00,000 (Cr.) and Rs. 40,000 (Dr.) respectively as on 1st April 2016. The partnership

deed provides for the followings:-

(a) Interest on capital is to be allowed @ 5% p.a. to the partners with credit capital balance.

(b) Interest on Drawings is to be charged @ 6% p.a.

(c) A is entitled to annual salary of Rs. 25,720 together with a commission of 10% on Net Profit after

charging his own commission.

(d) B is entitled to a salary Rs. 7,500 per quarter.

(e) Each partner withdrew Rs. 500 in the middle of each month and C withdrew an additional Rs. 4,000

on 30th June 2016.

(f) C is entitled to a rent of Rs. 1,000 per month for the use of his premises by the firm.

(g) Net profit for the year 2016-17 before making any of the above mentioned adjustment amount to Rs.

2,32,000. Prepare Profit and Loss appropriation Account and Partners Capital. (Ans. Profit Rs. 1,20,000)

9. X, Y and Z are partners in a firm having capital of Rs. 4,75,000, Rs. 3,00,000 and Rs. 1,80,000

respectively as on 1st April 2016. During the year 2016-17, X contributed additional capital Rs. 50,000 on

1st October 2017 and Z Contributed capital of Rs. 80,000 on 1st January 2017. Their drawings are X Rs.

10,000, Y Rs. 5,000 and Z Rs. 5,000. Their partnership deed provided the followings:

(a) Interest on capital to be provided @ 5% P.A.

(b) Interest on drawings to be provided @ 10% p.a.

(c) Z is entitled to a salary Rs. 23,000 p.a.

(d) X is entitled to a commission @ 10% on the profit before charging the above provisions.

(e) Y is entitled to a commission @ 10% on the profit after charging the above provision and after

charging his commission.

(f) 25% of the profit (after charging al the above provision) should be transfer to Reserve Fund.

(g) Of the net divisible profits, X is entitled to 50% of first Rs. 45,000, Y to 40% and Z to 10%. Over that

amount, profits are to be shared equally.

Profit for the year amounted to Rs. 3,00,000. From the above particulars, prepare Profit and Loss

Appropriation Account and Parther’s Capital Account. (Ans. Profit Rs. 1,35,000, Reserve fund Rs. 45,000,

X commission Rs. 30,000, Y commission Rs. 18,000)

Guide line - Project Work on Accountancy (CBSE CIRCULER NO. 43/ JULY 2013)

A project work when completed shall have to be presented for evaluation in a file which is term ‘Project

file’. Project file should be prepared in an attractive format using Bar diagrams, Pie Chart and Line Chart

etc. and should have the following information.

1. Name of the student who has taken up the project.

2. Index of the Project file. (format give in Page No.P.10)

3. Acknowledgement and Certificate (format give in Page No.P.9)

4. Certificate from Students (format give in Page No.P.9)

5. Subject Matter of the project (below mentioned table)

6. Information or data required and how obtained.

7. Planning and execution of the project.

8. Analysis, interpretation and presentation of information.

9. Bibliography.

Topic to be covered

Roll No. Specific Page No. Specific Project Page No.

Project No.1 No.2

1 to 10 Ratio Analysis

P.35 Cash Flow P.63

11 to 19 Segment Report

P.65 Cash Flow P.43

Project once assigned as per roll no. wise will not change at any cost.

Last date of Submission Date of project is July 2, 2018

SUBJECT-CHEMISTRY

Topic- Solid state

1.Give the Significance of a “lattice point”.

2.Why is glass considered a Supercooled liquid?

3.Give Four examples of Amorphous solids.

4.A compound forms hexagonal close packed structure. What is the total number of voids in 0.5 mol of it?

How many of these are tetrahedral voids?

5.Why is FeO(s) not formed in Stoichiometric composition?

6.A sample of Ferrous oxide has actual formula Fe0.93O1.00. In this sample, what fraction and percentage of

metal ions are Fe+2

ions? What type of non Stoichiometric defect is present in this sample?

7.Why does table salt, NaCl, Sometimes appear yellow in colour?

8.Why does the electrical conductivity of semiconductors increase with rise in temperature?

9.Tungsten crystallises in B.C.C. unit cell. If the edge of the unit cell is 316.5pm. Calculate the radius of

tungsten atom.

10. AgCl is dopped with 10-2

mol % of CdCl2, Find the concentration of cation vacancies.

11. Analysis shows that a metal oxide has a empirical formula M0.96O. Calculate the percentage of M+2

and M+3

ions in the crystal.

Topic- Solution

1. Define molality, mole fraction, ppm and weight percentage with numeric examples.

2. Explain Henry‟s law with its limitations and applications.

3. Differentiate Ideal and Non ideal solutions with examples.

4.What weight of NaCl is added to one litre of water so that ∆Tf/Kf=1/500 ?

5.Twenty grams of a substance were dissolved in 1500mL. Of water and the osmotic pressure of the

solution was found to be 600mm of mercury at 150C. Determine the molecular weight of the substance.

6.Osmotic pressure of a sugar solution at 240C is 2.7 atmospheres. Determine the concentration of the

solution in gm mole per litre.

7.If latent heat of fusion of ice is 70 cals per g at 00C, Calculate molal depression constant for water. (R=2

Cals)

8.Calculate the molal elevation constant of water evaporates at 1000C with the absorption of 536 calories

per gm. (R=2 Cals)

9.What is the Molarity of H2SO4 Solution, that has a density 1.84gm/cc at 350C and contains solute 98%

by weight ?

10. The vapour pressure of a solvent A is 0.70 atm. When a non volatile substance B is added to this

solvent it‟s vapour pressure drops to 0.6 atm. What is mole fraction of B in solution.

11. 2000 gms aqueous solution of CaCO3 contains 10 gms of carbonate. Concentration of solution in ppm

will be?

Topic- Electrochemistry

1. What are the types of cells in terms of energy transformation?

2. Explain corrosion with chemical reaction and precautions.

3. Give Faraday‟s First and Second law with its expression.

4. Why does gold not get rusted in the atmosphere?

5. What should be the amount of Al deposited on the cathode, when 0.1 faraday of electricity is passed

through AlCl3 (Al=27)

6. Calculate the electromotive force of a cell for the following reaction, if the reduction potential of

Cu+2

→Cu is +0.34V and the reduction potential of Zn+2

→Zn is -0.75V.

Zn| Zn+2

|| Cu+2

| Cu where Zn is anode and Cu is cathode.

7.The Hydrogen electrode is dipped in a solution of pH=3.1 at 250C.

The potential of the cell would be ? (2.303RT/F=0.059V)

8.Calculate the useful work done during the reaction Ag(s)+1/2Cl2(g)→AgCl(s)

Given that EoCl2/Cl-=+1.30V and E

oAgCl,Ag,Cl-=+0.210V if PCl2=1 and T=298K

9.The conductivity of a saturated solution of BaSO4 is 4.06x10-6

and its equivalent conductance is 1.53

Ohm-1

Cm-1

. The Ksp of the BaSO4 will be?

10. The Specific conductivity of N/10 NaCl solution at 200C is 0.012 Ohm

-1Cm

-1 and the resistance of cell

containing this solution at 200C is 50 Ohm. The cell constant will be?

11. Explain Charging and Discharging rections of Lead Storage Battery with diagram.

Topic- Chemical Kinetics

1.Give Units of rate constant of First, Second Order reactions.

2.Write three differences between Order and Molecularity of reaction.

3.Explain Collision theory of chemical reaction and Arrhenius equation.

4.K for a Zero Order reaction is 4x10-2

mol L-1

Sec-1

. If the concentration of reactant after 25 sec. is 0.5M,

the initial Concentration will be?

5.A First Order reaction is 20% completed in 10 minutes. Calculate the time taken for the reaction to go to

70% completion.

6.The rate of the First Order reaction X→ Products is 6.5x10-4

mol L-1

min-1

. What will be the value of rate

constant when the concentration of X is 0.5 mol L-1

?

7.What is the value of decay constant of a compound having half life time as 2.95 days.

8.In a reaction A→B , the rate of reaction increases two times on increasing the concentration of the

reactant four times, then order of reaction will be?

9.The rate of First order reaction is 2.5x10-2

mol L-1

min-1

at 0.5M concentration of the reactant. The half

life of reaction will be?

10. The rate constants k1 and k2 for different reactions are 1016

e-2000/T

and 1015

e-1000/T

, respectively. The

temperature at which k1=k2 will be?

11. A human body required the 0.02µ activity of radioactive substance after 24 hours. Half life of

radioactive is 6 hours, then injection of max. Activity of radioactive substance that can be injected will

be?

Topic- Surface Chemistry

1.Explain the following terms:

(a)Hardy-Schulze rule (b) Electrophoresis (c) Peptization

2. Alum is used in cleaning drinking water supply, explain?

3. Delta is formed at the meeting place of river with sea water, explain?

4. Physisorption is reversible while chemisorptions is irreversible. Why?

5. What is Gold number, explain with example?

6. Explain the following- (a) Brownian movement, (b) Tyndall effect.

7. Describe a chemical method each for the preparation of the sols of sulphur and platinum in water.

8. What is meant by coagulation of a colloidal solution? Name any method by which coagulation of

lyophobic sols can be carried out.

9. Write three features of chemisorptions which are not found in physisorptions.

10. What do you mean by „activity‟ and „selectivity‟ of a catalyst?

11. The action of enzyme is highly specific. Do you agree with this statement? Explain.

Topic- General Principles and Processes of Isolation of Elements

1.Differentiate between „minerals‟ and „ores‟.

2.Why is copper matte put in silica lined convertor?

3.Out of C and CO, which is a better reducing agent for ZnO?

4.Write the principle behind the froth floatation process. What is the role of collectors in this process?

5.Write the chemical reactions involved in the extraction of silver from silver ore.

6.Describe the role of the followings-

(a) SiO2 in the extraction of copper from copper matte.

(b) NaCN in froth floatation process.

7.Carbon monoxide is more effective agent than carbon below 983K but above this temperature the

reverse is true. How would you explain this?

8.Describe the principle involved in each of the following processes:

(a) Mond process for refining of nickel.

(b) Column chromatography for purification of rare elements.

9.Write the principles behind the following methods of refining:

(a) Hydraulic washing, (b) Vapour phase refining

10. Why is external emf of more than 2.2V required for the extraction of Cl2 from brine?

11. Write the role of the following:

(a) Graphite rod in the electrometallurgy of aluminium.

(b) Iodine in the refining of Zirconium.

Topic- P- Block Elements

1.Why does PCl3 fume in moisture?

2.Why does NO2 dimerise?

3.Which one of PCl4+ and PCl4

- is not likely to exist and why?

4.Give reasons for the following:

(a) Nitric Oxide becomes brown when released in air.

(b) PCl5 is ionic in nature in the solid state.

5.Why does the reactivity of nitrogen differ from phosphorus?

6.Fluorine exhibits only -1 oxidation state whereas other halogens exhibit +1,+3,+5 and +7 oxidation

states also. Explain.

7.Draw the structural formulae of the following compounds:

(a) H4P2O5 (b) XeF4

8.State reasons for each of the following:

(i) All the P-Cl bonds in PCl5 molecule are not equivalent.

(ii) Sulphur has greater tendency for catenation than oxygen.

9.Account for the following:

(i) Thermal stability of water is much higher than that of H2S.

(ii) White phosphorus is more reactive than red phosphorus.

10. How would you account for the following:

(i) Enthalpy of dissociation for F2 is much less than that for Cl2.

(ii) Sulphur in vapour state exhibits paramagnetism.

11. Draw the structure and predict the shape of

(i) XeO3

(ii) BrF3

(iii)XeF2

(iv) IF5

Topic – d & f –Block Elements

1.Explain , why d-block elements are generally exhibiting colours in their compounds?

2.Why first ionisation enthalpy of Cr is lower than that of Zn?

3.Explain why does the colour of KMnO4 disappear when oxalic acid is added to its solution in acidic

medium.

4.Complete the following reactions-

(a) Cr2O7-2

+ H+ + Fe

+2 →

(b) MnO4- + I

- + H

+ →

(c) Cr2O7-2

+ 2OH-→

(d) MnO4- + 4H

+ + 3e

- →

5.Give one preparation reaction of each of K2Cr2O7 and KMnO4.

6.Explain behaviour of dichromate ion in acidic and basic mediums with reactions.

7.Why Eo values for Mn, Ni and Zn are more negative than expected?

8.Although Cr+3

and Co+2

ions have same number of unpaired electrons but the magnetic moment of Cr+3

is 3.87B.M. and that of Co+2

is 4.87B.M. Why?

9.The halides of transition elements become more covalent with increasing oxidation state of the metal.

Why?

10. On the basis of Lanthanoid contraction, explain the following:

(i) Nature of bonding in La2O3 and Lu2O3.

(ii) Trends in the stability of oxo salts of lanthanoids from La to Lu.

(iii)Stability of the complexes of lanthanoids.

(iv) Radii of 4d and 5d block elements.

(v) Trends in acidic character of lanthanoid oxides.

11. Ionisation enthalpies of Ce,Pr and Nd are higher than Th,Pa and U. Why?

Topic- Coordination Compound

1.Give the formula of each of the following coordination entities:

(i) Co+3

ion is bound to one Cl-, one NH3 molecule and two bidentate ethylene diamine (en) molecules.

(ii) Ni+2

ion is bound to two water molecules and two oxalate ions.

Write the name and magnetic behaviour of each of the above coordination entities.

2.What do you understand by stepwise stability constant and overall stability constant of a coordination

compound? How are these two constants related?

3.Compare the following complexes with respect to their shape, Magnetic behaviour and the hybrid

orbitals involved:

(i) [CoF4]2-

(ii) [Cr(H2O)2(C2O4)2]- (iii) [Ni(CO)4]

4.Arrange the following complexes in the increasing order of conductivity of their

solution:[Co(NH3)3Cl3], [Co(NH3)4Cl2]Cl, [Co(NH3)6]Cl3, [Cr(NH3)5Cl]Cl2

5.Why are low spin tetrahedral complexes not formed?

6.Arrange the following comples ions in increasing order of crystal field splitting energy (∆o):

[Cr(Cl)6]3-

, [Cr(CN)6]3-

, [Cr(NH3)6]3+

7.On the basis of crystal field theory explain why Co(III) forms paramagnetic octahedral complex with

weak field ligands, whereas it forms diamagnetic octahedral complex with strong field ligands.

8. Explain why [Fe(H2O)6]3+

has magnetic moment value of 5.92B.M., whereas [Fe(CN)6]3-

has a value of

only 1.74B.M.

9.Why do compounds having similar geometry have different magnetic moment?

10. Using valence bond theory, explain the following in relation to the complexes given below:

[Mn(CN)6]3-

, [Co(NH3)6]3+

, [Cr(H2O)6]3+

,[FeCl6]4-

(i) Type of hybridisation (ii) Inner or outer orbital complex (iii) Magnetic behaviour (iv) Spin only

magnetic moment value

11. CoSO4Cl.5NH3 exists in two isomeric forms „A‟ and „B‟. Isomer „A‟ reacts with AgNO3 to give white

precipitate, but does not react with BaCl2. Isomer „B‟ gives white precipitate with BaCl2 but does not

react with AgNO3. Answer the following questions:

(i) Identify „A‟ and „B‟ and write their structural formulae.

(ii) Name the type of isomerism involved.

(iii) Give the IUPAC name of „A‟ and „B‟.

SUBJECT-Information Technology(065)

1. (a) Name the protocol used for sending and receiving e-mails. 1 (b) Define the following 1

i. Baud ii. Bps

(c) Expand them – 1

i. NFS ii. MODEM

(d) Differentiate between MAC address and IP address. 2

(e) Which of the following are open source LINUX , MS Window Vista , Python , MySQL , PageMaker. 1

(f) Write down two merits and two demerits of the following topologies 2

i. STAR ii. Tree

(g) List down merits of open standards. 1

2. (a) ABC public school has developed a JAVA application through which the parents are able to see their deposited fee details for their ward. What should school do so that parents / students are able to

view the details shown in text field and can’t modify them. 1

(b) What is the used of return statement in method. 1

(c) What is the basic structure of HTML file. 1

(d) Is justified alignment to a paragraph will be assigned in HTML. Justify your answer. 1

(e) Write code in Java to find out enter number is palindrome or not. 2

(f) Write a small code for Exit Control Loop. 2

(g) Write down some features of XML. 2

3. (a) MySQL runs on which operating systems. 1 (b) Sachin is assigned a assignment to create a table in which field named DOB may or may not contain

value. Tell what is the significance of the keyword. 1

(c) What are multirow functions? 1

(d) What will be the output of following code? 1

i. SELECT UASE (“ Redundancy”);

(e) What is SQL? Write down its different categories also? 2

(f) The Pincode column of table ‘Post’ is given below- 2

i. SELECT Pincode from Post where Pincode LIKE = “ %1” ;

ii. SELECT Pincode from Post where Pincode LIKE = “ 0 %” ;

(g) A table “Animals“ in a database has 3 columns and 10 records. What is the degree and cardinality

of this table? 2

4. (a) What will be the contents of jTextField after executing the following statement? 1 jTextField.setText ( ‘B’ + ‘a’ )

(b) Predict the output for tan & tan1 if sac equals 7? 2

int tan = 0, tan1 = 4 ;

if ( sac == 2 )

{ tan = 4 ; tan1 = 0; }

else if (sac == 8)

{ tan = 0 ; tan1 = 4; }

JOptionPane.showMessageDialog ( null , “ tan = “ + tan +” , tan1 = “ + tan1 ) ;

(c) What is constructor. Give example. 2

(d) In JDBC coding, what methods would be opted to move to last record of the recordset recSet? 1

Pincode

110001

120012

300048

281001

(e) Identify the errors and tell the output ( jTF 1 = 20 , jTF2 = 10 ) 2

(i) int m = integer.getInt(jTFl.getText() + jTFl.getText());

(ii) JOptionPane.showMessageDialog(null , “ ” + ( m +1 ) ) ;

(f) Give the output for the following code fragment: 2

v = 20 ;

do

{

JOptionPane.showMessageDialog( null , v + “ ” ) ;

} while ( v < 50 ) ;

JOptionPane.showMessageDialog( null , “ Bye “ ) ;

(g) Virus software Hut has developed the following Interface as shown below.

If Bill amount is > 10,000 than discount is as follow

Payment Mode Discount

Cost 15 %

Credit Card N/L

Cheque 10 %

i. Write the code to make the TextFields for Discount & Net Amount in editable. 1 ii. Write code to “Calculate Discount“ button as per given criteria and discount and net 3

amount should be displayed in TextField. iii. Write code for “Stop“ button to close the interface. 1

5. (a) What do you understand by primary key and candidate key. 2 (b) Write the output of following SQL queries. 2

i. SELECT ROUND(6.88,2) ;

ii. SELECT MID(‘Discovery Channel’,4,6) ;

iii. SELECT DAYOFMONTH (‘2011–03–30‘); iv. SELECT TRUNCATE (7.727,1);

(c) Consider the table STUDENT given below, write SQL Commands for (i) to (iv) and output for (v) to (viii)

RollNo Name Class DOB Sex City Marks

1 Nanda X 6/6/95 M Agra 551

2 Saurabh XII 7/5/93 M Mumbai 462

3 Sanal XI 6/5/94 F Delhi 400

4 Trisla XII 8/8/95 F Mumbai 450

5 Store XII 8/10/95 M Delhi 369

6 Marisla XI 12/12/94 F Dubai 250

7 Neha X 8/12/95 F Moscow 377

8 Nishant X 12/6/95 M Moscow 489

To Display all information about class XII students. 1

(i) List the name of made student of class X. 1 (ii) List names all class of all students in descending order of DOB. 1 (iii) To count the number of student in XII Class of Mumbai city. 1 (iv) SELECT DISTINCT(Sex) FROM Student. ½ (v) SELECT AVERAGE(Marks) FROM Student GROUP BY Sex. ½ (vi) SELECT COUNT(*)FROM Student where Class = ‘XI’ ½ (vii) SELECT MAX(Marks) FROM Student. ½

6. (a) Write an SQL query to create the table books with following structure. 2

Field Type Constraints

BookID Varchar (5) Primary Key

BookName Varchar (20)

Author Varchar (20)

Price Decimal (5, 2)

(b) Following two tables are shown below are preset in database-

BOOK

EID EbookName Author

3 Internal terms Okhla

4 RDBMS Steve

5 NetBeans Gosling

COST

Subj ID EID Cost

E40 1 2000

E41 4 1700

E42 3 1800

E43 5 1250

i. Identify the foreign key column in the table COST. 2 ii. Check every value in EID column of both in table. Do you find any discrepancy. 2

(c) Consider the tables product and client give below –

Product

PID ProdName Manufactures Price

T P01 Pen Cello 5

T P02 Gel pen Luxar 10

T P03 Ink pen Luxar 10

T P04 Pencil Natraj 2

T P05 Sketch Camel 2

Client

CID CliName City PID

01 Rakesh Delhi TP01

02 Prakash Mumbai TP05

03 Suresh Delhi TP03

04 Dinesh Delhi TP02

05 Pravesh Banglore TP04

i. To Display the details of products whose Price is in the range of 6 to 10 2 ( Both value included )

ii. To display client name, city from table chart and ProdName and price from table 2 product.

iii. To increase the price of all products by 10. ( Product the output only) 2

7. (a) What is front-end? 1 (b) Give one societal impact of e-business. 1

(c) Anu works for a Hotel. Sky warts to create controls on a form for the following function. 2

Choose appropriate controls from TextField, Label , RadioButton , CheckBox , List , ComboBox ,

Button and write in the third column.

S.No. Controls use to Control

1 Select room type

2 Enter customers name

3 Enter arrival date

4 To book rook