KENDRIYA VIDYALAYA NARELA, DELHI – 40SUMMER VACATION 2017-18

Holiday Home WorkSUBJECT: PHYSICS

MATHEMATICS

(1 Mark Question)

1 .State Euclid division lemma.

2. Write the prime factorization of 420

3. Write the polynomial whose zero are 2 and -3

4. If one of the zero of 3 x2-3x+p is reciporal to other .find the value of p

(2 Marks Question)

5 .Find the zeroes of the polynomial and verify relation between the zeroes and coefficients,

F(x) = x2-3x-28

6. Ifα and β are the zeroes of the polynomial f(x)= 2 x2-3x+7,evaluate ,sum of the cubes α and β.

7. Find the HCF; 512 and 1280, using Euclid division lemma.

8. Prove that √7 is irrational.

9. Explain why (17x11x2+17x11x5) is a composite.

10. Find the zeroes of the polynomial 2 x3+x2−6 x−¿3 if two of the zeroes are √3and −√3

(3 Marks Question)

11.Use Euclid division lemma show that square of any positive is either of the 3m or 3m+1 .

12. Divide the following and find the remainder

(i) p(x)= 14 x3+5 x2+9x−¿1,g(x)=2x-1

13.Draw the graph of the equations:4x-3y-6=0,x+3y-9=0 and determine the coordinate ,the vertices of the triangle with x- axis , and shade the triangle .

14. Solve 2x-4y=-24and 2x+3y=11 and hence find the value of for which y=mx+3

(4 Marks Question)

15. A boat goes 30 km upstream and 44 km downstream in 10 hours .and 40km upstream and 55km downstream .Determine the speed of the stream and that of the boat in still water.

16. On dividing x3+3 x2+x+2 by a polynomial g(x), the quotient and remainder were x-2 and -2x+4, respectively . find g(x).

17. Solve the following pair of equations by substitutional and cross multiplication methods:

8x+5y+9, 3x+2y=4

REVISION OF CHAPTER 1, 2 AND 3 FOR PERIOD TEST. FIVE MATHEMATICAL LAB ACTIVITY BASED ON CHAPTER 1, 2 AND 3.

PROJECT WORK – WORKING MODEL IF POSSIBLE. 10 SEPARATE QUESTIONS OF GRAPH. 20 – 20 EXTRA QUESTION BASED ON CHAPETER 1, 2 AND 3 RELATED TO NCERT BOOK

EXERCISES. PPT ON LEVEL WISE QUESTION FROM CHAPTER 1, 2 AND 3. ANY 20 QUESTION.

SUB JECT: CHEMISTRY

SUBJECT: SOCIAL SCIENCE

SUBJECT: WORK EDUCATION

SUBJECT: ART EDUCATION