KVS RO ERNAKUALM MATHEMATICS MCQ TEST SERIES CLASS XII -SET II

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FULL NAME *

NAME OF THE SCHO0L *

CLASS *

XII

DIVISION *

1. *

1 point

(a) 1

b) -1

c) 2

d) -2

2. *

1 point

(a) f(x) is always continuous at x=0

(b) f(x) is continuous at x=0 then k=0

(c ) No value of k for which f(x) is continuous

(d) f(x) is differentiable at zero then k=2

3. *

1 point

a) 1

b) -1

c) 3

d) -3

4. *

1 point

a) 5

b) -5

c) 1

d) -1

5. *

1 point

a) -2

b) 2

c)-8

d)8

6. *

1 point

a) 6

b) -6

c) 12

d) -12

7. *

1 point

a) 0

b) 1

c)-1

d)None of the above

8. *

1 point

(a) Continuous

(b) Discontinuous

(c )Differentiable

(d) None of the above

9. *

1 point

a) a/bsint

b) b/asint

c) (-b)/acost

d) -a/bcost

10. *

1 point

a) y

b) 7y

c) 49y

d) 14y

11. *

1 point

12 *

1 point

(a)

(b)-Cosec y Cot y

(d)

13. *

1 point

a) 2x

b)-2x

c) 2y

d) -2y

14. *

1 point

a) (2y-1)/cosx

b) cosx/(2y-1)

c) (2y+1)/cosx

d) cosx/(2y+1)

15. *

1 point

a) y/x

b) x/y

c)-y/x

d)-x/y

16. The sides of an equilateral triangle are increasing at the rate of 2cm/s. The rate at the area increases, when side is 10cm is

1 point

(a)

(b)

(c)

(d)

17 *

1 point

(a) [-1,∞)

(b) [-2,-1]

(d) [-1,1]

18 *

1 point

(a) 1<x<3

(b) x<0

(d) 0<x<3

19. Let the f:R--->R be defined by f(x)=2x+cos x, then f(x) *

1 point

(a) has a minimum at x=π

(b) has a maximum at x=0

(d) is an increasing function

20 *

1 point

(a) (6,2)

(b) (2,4)

(d) (3,9) ,(9,3)

21. *

1 point

(a) 126

(b) 116

(d) 90

22. *

1 point

(a) 4

(b) 6

(c ) 2

(d) 0

23. *

1 point

(a) (1,2)

(b)(1/2 ,1/4)

(d) (-2,-3)

24. *

1 point

(a) (0,1)

(b) (-1,1)

(d) (-∞,0)

25. *

1 point

(a) (2√2,4)

(b) (2√2,0)

(d) (2,2)

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