AUTUMN BREAK HOLIDAYS HOMEWORK (2018-19)

Class XIहि�ंदी

ENGLISH1. Application for job2. Report writing3. Paste five advertisement clipping from newspaper4. Poster writing5. Revision up to the ailing planet and Albert Einstein at school

COMPUTER SCIENCEQ1. Write a program to print fibaonacci series 0 1 1 2 3 5 8 11 ..... upto N termsQ2. Write a program to check wheteht a number is prime or notQ3. Write program to read an integer number and check whether it is a palindrome or not

Q4.Write a program to read a number and check it is armstrong or not e.g. 153 is an armstrong number.(An armstrong number have sum of cube of digits of a number is same as number 153= 13+53+33)

Q5. Write a program to calculate and print factorial of a number.

Q6. Write a program to display first N Natural numbers and their sum.

Q7.WAP to check whether a number is divisible by 5 and 11 or not.

Q8.WAP to check given number is prime or not

Q9. Write program to print following series:

(i) 1

1 2

1 2 3

1 2 3 4

(ii) 1

2 2

3 3 3

4 4 4 4

(iii) 1

2 3

4 5 6

7 8 9 10

(iv) 1 2 3 4

1 2 3

1 2

1

Q8. What do you mean by mutable and immutuable types in python? Explain with the help of examples.

Q9. what is the use of type() and id()

Q10. What are similarties and diffrence in Strings and Lists?

Q11. What are similarties and diffrence in Strings and Lists?

Q12. Rewrite the following code using 'while' loop

for N in range(10,1,-2):

print("The value of N=',N)

Q13. Write output of following code:

months = {1: 'Jan', 2:'Feb',3:'Mar',4:'Apr'}

print(month.keys())

print(month.values())

Q14. Write output of the code;-

TP = (10,12,14,20,22,24,30,32,34)

printTP([1:10])

print(TP[0:10:2])

print(TP[::3])

print(TP[2:10:3])

Q15.What is type casting? Explain Implicit and Explicit type casting with thehelp of suitable examples.

Q16. Diffrentiate '= =' and '='?

Q17. Write note on- ASCII,ISCII,Unicode,3A UTF-8, 3B UTF-32

Q18. Write a note- Cloud Computing(Public & Private),Parallel Computing

Q19. What is operating sysytem? What are functions of operating system?

OR

Why operating sysytem is also known as Resource Manager? Explain.

INFORMATICS PRACTICESWrite the python program for the following:

1. Check if the number is positive or negative or zero using if elif2. Check if the number is positive or negative or zero using if else nested if3. To check if the input number is odd or even.4. To convert a numerical grade to a letter grade, ‘A’, ‘B’, ‘C’,’D’ or ‘F’, where the cutoffs for ‘A’,

‘B’, ‘C’, and ‘D’ are 90, 80, 70, and 60 respectively using if else ladder.5. To convert a numerical grade to a letter grade, ‘A’, ‘B’, ‘C’, #‘D’ or ‘F’, where the cutoffs for

‘A’, ‘B’, ‘C’, and ‘D’ are 90, #80, 70, and 60 respectively using if elif6. Find the largest number among the three input numbers using logical operator.7. Take in the Marks of 5 Subjects and Display the division8. To find the factorial of a number9. To find the sum of digits in a number10. To count the number of digits in a number11. To check if a number is a armstrong number or not.12. Checking whether a number is prime or not13. To print the table of a given number14. Write a program to generate Fibonacci Series i.e 0 1 1 2 3 5………..15. To check if a number is a palindrom or not.

Note : A short duration test will be conducted from above listed program.

Students are also requested to solve sample half yearly Question paper attached on the website.

PHYSICS1]NCERT QUESTIONS –GRAVITATION

2]NCERT QUESTIONS-PROPERTIES OF BULK MATTER(SOLIDS)

3] REVISION OF ALL CHAPTERS FOR HALF YEARLY EXAM

CHEMISTRY

BIOLOGYSolve the qt.paper , in separate thin  notebook (long)provided /shared in what's app group to you.

MATHEMATICSASSIGNMENT - CLASS 11

MATHEMATICS – PERMUTATION AND COMBINATION

3. Find the number of different 8 letter arrangements that can be made from the letters of the word ‘ DAUGHTER’ so that :a) All vowels occur together.b) All vowels do not occur together.

4. Find the number of arrangements of the letters of the word ‘INDEPENDENCE’. In how many of these arrangementsa) Do the words start with P.b) Do all the vowels always occur together.c) Do the vowels never occur together.d) Do the words begin with I and end in P.

5. How many words, with or without meaning can be made from the letters of the word ‘ MONDAY’ assuming that no letter is repeated if: a) 4 letters are used at a time.b) All letters are used at a time.c) All letters are used but first letter is a vowel.

6. In how many ways can the letters of the word ‘PERMUTATIONS’ be arranged if there are always 4 letters between P and S?

7. What is the number of ways of choosing 4 cards from a pack of 52 playing cards? In how many of these:a) 4 cards are of the same suit.b) 4 cards belong to four different suits.c) All are face cardsd) 2 are red cards and 2 are black cards.e) Cards are of the same colour.

8. Find the number of words with or without meaning which can be made using all the letters of the word ‘AGAIN’. If these words are written as in a dictionary what will be the 50 th word?

9. How many numbers greater than 1000000 can be formed by using the digits 1,2,0,2,4,2,4?10. In how many ways can 5 girls and 3 boys be seated in a row so that no two boys are together?11. Find the number of ways in which 5 boys and 5 girls be seated in a row so that (i) All the girls

sit together and all the boys sit together. (ii) All the girls are never together.12. Five boys and five girls form a line with the boys and girls alternating. Find the number of ways

of making the line.13. How many words with or without meaning each of 2 vowels and 3 consonants can be formed

from the letters of the word ‘DAUGHTER’?14. A committee of 7 has to be formed from 9 boys and 4 girls. In how many ways can this be done

when the committee consists of(i) Exactly 3 girls

(ii) At least 3 girls(iii) Utmost 3 girls

15. From a class of 25 students, 10 are to be chosen for an excursion party. There are 3 students who decide that either all of them will join or none of them will join. In how many ways can the excursion party be chosen?

16. Find the number of ways of selecting balls from 4 green and 9 red balls so that the selection involves at least 1 green ball and exactly thrice as many red balls as green.

ASSIGNMENT

BINOMIAL THEOREM

Class -XI

1. Expand the following by Binomial theorem:

(i) (x+1/x)7 (IV) (1+

(1+X+ )5

2. The first three terms in the expansion of (1+X)n are 1, 10, & 40. Find the

expansion.

3. IF the coefficient of 2nd,3rd,4th terms in the expansion of (1+x)2n are in A.P., show that 2n2-9n+7=0.

4. In the expression of (1+x)n three successive co-efficient are 462, 330, & 165 respectively. Find the value of n & r.

5. Using binomial theorem, prove that (32n+2-8n-9) is divisible by 64, where n is a positive integer.

6. Find the co- efficient of x4 in the expansion of (1+x)n (1-x)n.

7. If xp occurs in the expansion of (x 2n, Prove that the co-efficient is

.

8. Find the value of r, if the coefficient of (2r+4)th &(r-2)th term in the

expansion of (1+x)18 are equal.

9. If A be the sum of odd terms and B be the sum of even terms in the expansion of (x+a)n, Prove that (i) A2-B2=(x2-a2)n (ii) 2(A2+B2) =(x + a)2n +(x - a)2n

10.Show that :

11.Find the fifth term from the end in the expansion of .

12.In the binomial of (a+b)m, m 5, the sum of 5th & 6th terms is zero. Then find . 13.If the co-efficient of three consecutive terms in the expansion of are in the

ratio 182:84:30. prove that n = 18.

14.Given that the fourth term in the expansion of , find n, p.

15.Find the value of k so that the term independent of x in is 405.

16.If a, b, c, & d be the four consecutive terms in expansion of (1+x)n , prove that

.

17.Show that the middle term in the expansion of 2n is .

18.If there is a term independent of x in n , show that it is equal to .

19.If n is a positive integer , show that is divisible by 961 if n .

20.If three consecutive coefficient in the expansion of (1+x)n are in the ratio 6:33:110.Find n & r.

21.Find the sixth term from end in the expansion of (x- .

Answer Key:

(I) x7+7x5+21x3+35x+35/x+21/x3+7/x5+1/x7

.

2 . n=5, x=2 , (1+x)5 .

4. n = 11, r =7 11. -252x2 12. a/b =

13. 41 14. n=6, p=1/2 15. K= 3

20. n=12, r =2 21.

ACCOUNTANCY

BUSINESS STUDIESAnswer to following Questions in note book.

1. "Business Risk can be minimised but can't be eliminated." Which aspect/feature of Business risk is depicted by this statement?

2 How life insurance differ from other types of insurances? State.

3. What is a Global Depository Receipt?

4. Give the full form of RTGS. Write any two features of RTGS

5. Explain three merits and demerits of Departmental undertaking.

6. what do you mean by indigenous banking system? Explain main functions of indigenous banks.

7 'Infosys' is one of India's leading software development company that has its business in many countries. What type of business/trade is it doing? What benefits is it generating for the nation? Write any three points.

8. What is the difference between ownership capital and borrowed Capital.

9. "Auxiliares to Trade refers to all those activities Which are undertaken to overcome the hurdles appearing in the way of Trade". Identify and briefly explain the activities to overcome following hindrances of trade:

a. Hindrance of Place

b. Hindrance of Time

c. Hindrance of Risk

d. Hindrance of Finance

e. Hindrance of Information.

10 What is the meaning of Outsourcing of Service. Explain, the types of outsourcing of services.

11 "Just as a human being requires food to live, similarly, a business needs profit to exist." Do you agree with this statement. Give any four reasons to Support your view.

12. What do you understand by e-Business? Explain briefly any four benefits of e-Business.

13 As a source of finance retained profit is better than other sources. Do you agree with this view? Give reasons for your answer. Can a company grow indefinitely by reinvesting surplus profit?

14. Explain the important documents that have to be prepared for the incorporation of a company

15. Give relative advantage of Statutory corporations over departmental undertakings in respect of efficiency, organisation and control.

16. Give arguments in favor of social responsibility of business.

17. Briefly explain :

(a) Economic Responsibility

(b) Legal Responsibility

(c) Ethical Responsibility

18 Distinguish between Memorandum of association and Artcles of Assocaition.

19. What is e-banking? What are the advantages of e-banking?

20. State any three differences between e-business and traditional business.

GEOGRAPHY1. Prepare a practical record file covering chapter 1 to 5.2. After going through prepare a question bank covering one mark each from chapter 2

to 9 of book of Physical Geography and chapter 1 to 5 of the book of India.3. Learn and write the questions and answers referred in serial N0.2 Learn and write the

questions – answers of chapter tought till date.4. In the physical map of India locate and label the followings.

(i)Important mountains.(ii) important mountain peaks.(iii) rainfall distributions.(iv)Important rivers.(v)Important passes.(vi) Biosphere reserves.(vii) Koeppen’s classification of climate.(viii) Type of forests.

5. In the physical map of the world locate the followings-(i) Major and minor Plants.(ii) Distributions of earthquake and volcanoes.(iii) Important latitudes.

HISTORYQ 1 Discuss the main feature of feudalism?

Q 2 what was popularised by Anabaptists?

Q3 Discuss the main feature of renaissance?

Q 4 What was the contribution of Michelangelo in St Peters church?

Q 5 Jacob Burckhardt gave what theory about renaissance?

Q6 what was the role of universities in propagating humanist?

Q 8 Discribe the condition of women In changing Europe?

Q9 Discuss the events and persons during reformation of church and its attitude?

Q10 Describe the developments in the science and astronomy during renaissance periods?

Qs 11 Discuss the relevance of the concept renaissance from 14th to 17th century

Q 12 Practice source based question & map work (ch 1-8) from sample paper.

POLITICAL SCIENCE

CLASS XI (D, E, F)

SUB- ECONOMICS

1. Revise the whole syllabus covered upt0 12.10.2018 for half yearly exams.2. Prepare diagrams on the following topics –

Simple bar diagram Pie diagram

Histogram Polygon Ogive

3. Write notes on the following –a) Methods of samplingb) Conversion of inclusive series into exclusive seriesc) Conversion of series with mid value into series with class intervals d) Consumer’s equilibrium in a single commodity case and two commodity

case.e) Law of variable proportions.

Note: Do the above mentioned work in a separate notebook.