HALF YEARLY EXAM 2017 MODEL QUESTION PAPER I





HALF YEARLY EXAM ? 2017

MODEL QUESTION PAPER ? I

CLASS 11TH TIME : 2.30HRS

MARKS : 90

MATHEMATICS

10. If 2x+3y=0and 3x-2y=0 are equations of two diameters of circle then its centre is

A) (1,-2) B) (2,3) C) (0,0) D) (-3,2) 11. If sin =0 then is

A) n

B) (2n+1) C) ?

D) ) ?

PART-I (20MARKS)

12. One radian is equal to (in terms of degree)

All questions are compulsory

A)

B)

C)

D)

Choose the correct answer.

20x1=20

13. The value of [.5] is

1. If [2x-1] = [1 3] then the value of x is

A) 0.5 B) 1 C) 0.1 D) 0 14. The range of function sinx

A) 5 B) 2 C) 3 D) 4

A) (0> ) B) (0>1) C) (-1>1) D) (-

)

2. If A is a square matrix of order n the |kA| is

15. (cos2x)=?

A) k|A| B) ?k|A| C) ?kn|A| D) kn|A| 3. If =2 + -8 and = +3 -4 then the magnitude of +

A) sin2x B) ?sin2x C) cos2x D) 2cosx

A) 13 B) 13/3 C) 3/13 D) 4/13

16.x 0+ =?

4. The value of cos2 +cos2 +cos2 is A) 2 B) 1 C) -1 D) 0

5. The sum of the coefficients of expansion of (1-x)n is

A) ? B) 0 C) -1 D) 1

17.

dx =?

A) 0 B) 1 C) 100 D) 1024 6. A polygon has 14 diagonals then the number of its side is

A)

+c B) x-2log(x+1)+c C)

log(x+1)+c D) x=2log(1+x)+c

A) 11 B) 7 C) 8 D) 12

18.

=? A) (cosx+sinx)+c B) (cosx-sinx)+c C)(sinx-cosx)+c

7. If a, b, c are in A.P. then 3a, 3b, 3c are in

D) cosx+c

A) A.P. B) G.P. C) H.P. D) A.P. & G.P.

19. The general solution of tan =tan A) n

B)

C) n D)

8. The A.M., G.M. and H.M. b/w two positive numbers a and b are equal then

A) a=b B) ab=1 C) a>b D) a ................
................

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