Annual Examination March - 2016 Time : 3 hrs 1.

4. 5.

C)

Order cheque D)

Crossed cheque

x3y

B)

x6y3z3

C)

x6y3z5

x3y3z

D)

1

1

k

A)

x∝y

B)

x∝ y C) x = y Which of the following is a regular quadrilateral?

D)

x= y

A)

Rhombus

B)

D)

Parallelogram

D)

Isoceles trapezium

D)

Concentric

Rectangle

C)

Square

The quadrilateral having unequal diagonals is . . . . . Square

B)

Rhombus

C)

Rectangle

Circles having same centre, but different radii are . . . . . A)

7.

Self cheque

“x varies inversely as y ” The equation form of this statement is . . . . .

A) 6.

Bearer cheque B)

1×8=8

L.C.M. of x3y3z3 , x3yz5 and x6y2 is = . . . . . A)

3.

Marks : 80

The completely risk free cheque is . . . . . A)

2.

IX – Mathematics

Congruent

B)

Bisecting

C)

Touching

The point which is equidistant from three vertices of a triangle is . . . . . . A)

Circumcenter B)

Incenter

C)

Orthocenter

D)

Centroid

8.

Volume of a pyramid is . . . . . the volume of a prism having same base and same height. A) Three times B) One third C) Two times D) Half

9.

Express as a mixed surd in its simplest form : 1 2 5

1×6=6

10. S = { x : x is a positive prime less than 12 } Write this set in roster method. 11. Write the H.C.F. of 4m3n3p2 , 6m2n4p3 and 12m5n2 . 12. Write the formula to find the sum of all the interior angles of a polygon. 13. In a quadrilateral three angles are 900, 1100 and 800 . Find the fourth angle. 14. The centroid of a triangle divides the median in the ratio . . . . . . 15. Write any four irrational numbers between 3 and 4.

2×16=32

OR Classify into rational and irrational numbers : 0.5 , 8 , 0.2222…. , 0.101001000….. 16. Find out which of the following is bigger : 3 4 and 4 5 17. Calculate quartile deviation : 25 , 17 , 30 , 26 , 18 , 27 , 10 , 32 , 14 , 18 , 22. OR Three coins are tossed together. Find the probability of getting two heads. 18. Construct frequency polygon : Class Intervals

140-150

150-160

160-170

170-180

Frequency

10

6

15

4

19. Calculate the compound interest for 10,000 Rs. at a rate of 10% for 3 years. 20. If a cycle is bought for Rs. 2000 by paying Rs. 600 at the time of purchase and the balance in 5 equal instalments of Rs. 300, calculate the rate of interest.

21. If ‘A’ can complete a work in 6 days and ‘B’ can complete it in 8 days, in how many days ‘A’ and ‘B’ together can complete that work? 22. Expand using a suitable formula : (x – 5)2 23. Factorise : x2 – 7x + 12 24. Factorise using formula : 25a2 – 4b2 25. Divide ( x3 – 2 x2 -13 x - 10) by ( x – 5 ). 26. The total score of Sachin and Dravid is 300 runs. If Sachin scored 40 more runs than Dravid, find their individual scores. 27. Construct a parallelogram PQRS with PQ = 5cm, QR = 4cm and Q = 1000. 28. Draw a circle of radius 4cm and inscribe a regular pentagon in it. 29. Calculate the total area of the sheet required to construct a prism shaped water tank with a square base whose edge is 1.5m and height 3m. 30. Calculate the volume of a pyramid with equilateral triangular base whose edge is 6cm and height 16cm. 31. Calculate the lenghth of each side of a square shaped field of area 16129 m2. 32. Represent

2 and

3×6=18

5 on separate number lines.

33. If U =0,1,2,3,4,5,6,7, M=0,1,2,3 and N=1,3,5,7 , write MN , MN and (MN)І. Draw Venn diagrams for each. OR If P = 1,2,3,4,5  and Q = 4,5,6,8,9 write, P \ Q , Q \ P and symmetric difference P∆Q. Draw Venn diagrams for each. 34. Find the product using formula : (2m + 5)(2m + 1)(2m -3) OR Expand using formula : (x + 2y + 3z)2 35. Construct a quadrilateral with PQ = 8cm, QR = 7cm, RS = 4cm, SP = 6cm and S = 1200. OR Construct a trapezium with AB║DC, AB = 4cm, BC = 5cm, CD = 9cm and AD = 4cm. 36. Prove that ‘The perpendicular drawn from the centre to the chord bisects the chord’ OR Prove that ‘Equal chords of a circle are equidistant from the centre’ 37. Solve graphically : 2 x + y = 5 and y – 2 x = – 3

4×4=16

38. Calculate mean deviation : C.I.

0-4

5–9

10 - 14

15 - 19

20 - 24

f

2

3

10

3

2

N = 20

39. Construct a cyclic quadrilateral PQRS, with PQ = 4cm, QR=5cm, RS=3cm and Q=1100. 40. Prove that ‘The diagonals of a parallelogram bisect each other’ OR Prove that ‘Parallelograms standing on the same base and between the same parallels are equal in area’

*

*

*

*

*

*

Annual Examination March - 2016 -

D) Concentric. 7. The point which is equidistant from three vertices of a triangle is . . . . . . A) Circumcenter B) Incenter. C) Orthocenter D) Centroid. 8. Volume of a ...

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