KENDRIYA VIDYALAYA NO.01 BOLANGIR HOLIDAYS HOMEWORK AUTUMN BREAK

Session 2016-17

Class XII

Q 1. What is Linked List?

Q2 Write a program to insert a node in the beginning of a linked list?

Q3 Write the function to insert node at last of a linked list?

Q4 Write the function to implement Binary search.

Q5 Write a function in C++ which accepts an integer array and its size as arguments/parameters and reverses the array

Q6 Write a function in C++ which accepts an integer array and its size as arguments/parameters and exchange the array in the given manner

example : if the array is 1,2,3,4,5,6,7,8,9,10 then rearrange the array as2,1,4,3,6,5,8,7,10,9 Q7 Write a function in C++ to find the sum of both left and right diagonal elements from a two dimensional array (matrix).

Q8 An array S[40][30] is stored in the memory along the row with each of the element occupying 2 bytes, find out the memory location for the element S[20][10], if an element S[15][5] is stored at the memory location 5500.

Q9 Write a function in C++ to delete a node containing Book’s information, from a dynamically allocated Stack of Books implemented with the help of the following structure.

struct Book { int BNo; char BName[20]; Book *Next; };

Q10 Evaluate the following postfix expression: 5,20,15,-,*,25,2,*,+

Class X SST

1. State the fact about coal found in India and its uses.

2. State the main uses of copper and its distribution in india.

3. List out the harmful effect of mining.

4. Describe the occurrence use and distribution of mica in India.

5. Why we need to conserve the minerals? Describe the methods of conservation.

6. Differentiate between conventional and nonc9onventional sources of energy.

7. Describe the occurrence of petroleum and major areas of petroleum production in India.

8. Discuss the different types of coal and its distribution in India.

9. Describe the importance of electricity and two forms of generating electricity.

10. What do you mean by geothermal power? Explain the major geothermal producing state in

India.

Assignment (PPT)

• Conservation of energy resources. (picture presentation)

• Conventional sources of energy

• Non conventional sources of energy

• Metallic minerals

• Importance of energy resources (picture presentation)

STD.:–X Subject: Mathematics

1) Find the root of �

���� +

�

��� = 1

2) If – 4 is a root of x2 + px – 4 =0 and x

2 + px + q=0, has equal root, then find p and q.

3) Which term of AP: 17, 16�

� ………, is the first negative term.

4) If Ram was younger by 5 years what he really is than square of his age would have been 11

more than 5 times of actual age. Find the actual age of Ram.

5) If x=1 is a common root of x2 + px – 4 =0 and x

2 + x + q =0, then find pq.

6) Find discriminant of �

������� = 1.

7) If α, β are the root of 2x2 – 4x + 1=0, then find (1/α

2β) + (1/αβ

2).

8) Solve 36x2 – 12ax + a

2 – b

2 = 0.

9) Solve 2x2 + ax – a

2 = 0

10) Find the positive value of K for which x2 + kx + 64=0 and x

2 – 8x + k=0, both has equal roots.

11) Solve (4/x) – 3=5/(2x+3)

12) Which term of AP: 5, 15, 25, will have 130 more that its 31st

term?

13) Find the largest angle if smallest angle of an AP: is 450 in a triangle.

14) If 7th

term of AP: is 1/9 and 9th

term is 1/7, then find 63rd

term.

STD.:–IX Subject: Mathematics

15) ABCD is a parallelogram where ∠ABD equal to 700. Find ∠ACD.

16) In parallelogram PQRS, bisector of ∠P and bisector of ∠Q meet SR at point T. Show that PQ =

2QR.

17) ABCD is a parallelogram where P is the midpoint of AB and Q is the midpoint of CD and PQ

meet AC at O. Show that OP=OQ.

18) ABCD is a rhombus where ∠ABD = 500. Find the value of ∠ACB and ∠CAB.

19) Prove that bisector of interior angles of a rectangle forms a square.

20) In the parallelogram ABCD bisector of ∠B and ∠C meet at R. Prove that ∠BRC = 900.

21) If an angle of a parallelogram is 2/3 of its adjacent angle, then find the angles of parallelogram.

22) ABCD is a parallelogram, X and Y are midpoints of AD and BC, XY meet BD at O. Prove that

OD=OB.

23) AD is the median of triangle ABC, E is the midpoint of AD, BE meet AC at F and DP is parallel to

BF. Show that AF = AC/3.

24) AB is parallel to CD in a trapezium ABCD where P and Q are the midpoints of AD and BC. PQ

parallel to CD and meet AC at R. if AB = 8cm, CD=10cm, find PQ.

25) Show that quadrilateral form by joining the midpoints of a square is also a square.

26) In the triangle ABC, ∠B = 900. AP=CP, AQ=BQ and PQ parallel to BC. If AP=6.5cm, AQ=6cm,

then find the area of triangle ABC.

CLASS IX SST

1. What is deforestation? Describe its various causes.

2. What are the causes for expansion of agriculture in colonial period?

3. What steps were taken by British government for forest management in India?

4. What are the different uses of forest product ?

5. How were the lives of forest people affected by the forest act 1865?

6. Write short notes on shifting cultivation.

7. How did the changes in forest management in colonial period affect the shifting cultivation?

8. Explain how the hunting became a major cause for reducing population of animals during

colonial period.

9. What is scientific forestry? Why it was introduced?

Assignment

PPT- Deforestation is necessary for development.

Some suggestive points: historical prospective, short term vision, long term goal, regulations, effects

on livelihood, stakeholders, space for protest in democratic views.

Class – viii SST

1. How England did became the workshop of the world?

2. The industrialization of Britain had a close connection with the conquest and colonization of India.

Explain the statement.

3. Explain the trade relationship of India with the world market before British conquered Bengal.

4. How the words tell the history of trading in India with European traders?

5. Write a short description on jamdani work.

6. How the series of invention helped the British manufactures to compete with Indian textile.

7. What are the various stages involved in weaving.

8. Map work

Point out the major center of weaving in late 18thcentury in India.

(plain white, check and stripes, chintz, silk)

Assignment

Collection of pictures of craft work in different states.

SST Class VII

1. How Thanjavur was a center for administration in medieval period? Give brief details.

2. What were the activities that carried out in thanjavur?

3. How the temples were the center for economy and society ? explain.

4. What do you mean by lost wax techniques? Explain the procedure.

5. Give a brief description on the small town of medieval period.

Assignment

• Prepare a case study of any of the important pilgrim’s town in India?

Note: it should include location, habitat, important pilgrims center, culture of the town.

- Add pictures.

CLASS – VI SST

1. Depict the earlier life of Gautama Buddha

2. How Gautama Buddha did got the enlightenment? Discuss in details

3. Write short notes on teaching of Buddhism.

4. What were the ancient thinkers wanted to find out? Briefly discuss.

5. Give a brief account of Upanishad.

6. Who were the Upanishadic thinkers? Write short notes on Satya karma Jabela.

7. Write short note on teaching of Mahavir Jain.

8. Explains the principles that are followed by Jains.

Assignment

• Collect at least 3 short stories on the life of Buddha OR

• Collect stories derived form Upanishad (3 stories)

STD.:–VI Subject: Mathematics

27) Show 4/7, 3/7, 8/9 on number line.

28) Express 3½, 5¼, 6�

� , as improper fraction.

29) Express 11/3, 19/8, 33/2, 17/4 as mixed fraction.

30) Write the 5 equivalent fractions of 4/5, ¾, 5/6.

31) Write the equivalent fraction of 2/7 with denominator 28 and denominator 63.

32) Write equivalent fraction of 48/72 with numerator 24 and numerator 12.

33) Write simplest form of 70/105, 56/84, 51/102, 42/210.

34) Fill in the blanks:

(a) 2/3 = �

(b)

= 10/35

(c) �

=23/30

35) Arrange the following in descending order:

(a) 2/3, ¾, 4/5, 5/6,

(b) 1/9, 4/9, 2/9, 5/9, 7/9

36) Add the following:

(a) (2/3)+(4/6)+(7/12)

(b) 1

�+(2/7)+ 2

�

(c) (3/5)+(7/10)+(4/15)

37) Substract

(a) 3�

� – 1

�

��

(b) 9 – (5/12)

(c) (1/5) – (1/6)

38) Asha bought 2�

�kg potatoes 3

�

�kg onions and 1

�

�kg tomatoes. What is the total weight of

vegetables?

39) A milkman had 44�

�litres milk. He gave 25

�

�litres to halwai. How much milk is left with him?