#### 11th Standard Maths English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Four

11th Standard

Reg.No. :
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Maths

Time : 00:10:00 Hrs
Total Marks : 10

10 x 1 = 10
1. Which of the following functions from z to itself are bijections (one-one and onto)?

(a)

f(x)=x3

(b)

f(x)=x+2

(c)

f(x)=2x+1

(d)

f(x)=x2+1

2. The domain of the function $f(x)=\sqrt{4-\sqrt{4-\sqrt{4-x^2}}}$

(a)

(-, 4)

(b)

(-4, )

(c)

(- 2,2)

(d)

[- 2,2]

3. The rationalising factor of $\frac { 5 }{ \sqrt [ 3 ]{ 3 } }$ is

(a)

$\sqrt [ 3 ]{ 6 }$

(b)

$\sqrt [ 3 ]{ 3 }$

(c)

$\sqrt [ 3 ]{ 9 }$

(d)

$\sqrt [ 3 ]{ 27 }$

4. The condition that the equation ax2 + bx + c = 0 may have one root is the double the other is:

(a)

2b2 = 9ac

(b)

b2= ac

(c)

b2 = 4ac

(d)

9b2 = 2ac

5. Number of all four digit numbers having different digits formed of the digits 1, 2, 3, 4 and 5 and divisible by 4 is

(a)

24

(b)

30

(c)

125

(d)

100

6. Everybody in a room shakes hands with everybody else. The total number of handshakes is 91. The total number of persons in the room is

(a)

11

(b)

14

(c)

13

(d)

12

7. The larget coefficients in the expansion of (1 + X)24 is

(a)

24C24

(b)

24C13

(c)

24C12

(d)

24C11

8. The sum of 40 terms of an A.P whose first term is 2 and common difference 4 will be

(a)

3200

(b)

1600

(c)

200

(d)

2800

9. Choose the incorrect pair:

(a)

$\frac{d}{dx}(sin x)$ - cos x

(b)

$\frac{d}{dx}(tanx)$ - sec2x

(c)

$\frac{d}{dx}(cos x)$ - sin x

(d)

$\frac{d}{dx}(logx)$ - $\frac{1}{x}$

10. The lines x cos $\alpha$+ysin$\alpha$=p and xcos$\beta$+ysin$\beta$=q will be perpendicular if

(a)

$\alpha =\beta$

(b)

$\alpha-\beta=\frac{\pi}{2}$

(c)

$|\alpha-\beta|=\frac{\pi}{2}$

(d)

$\alpha-\beta=0$