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1.

What is difference between the number of males reading newspaper B and the number of males reading newspaper D?

a

1600

b

2000

c

2400

d

800

2.

By how much per cent females reading newspaper E are more than the males reading newspaper C?

a

233.33

b

133.33

c

266.66

d

333.33

3.

How many females read newspaper A?

a

3600

b

3200

c

2400

d

2800

4.

For which two newspapers the number of females reading them is same?

a

D and E

b

C and E

c

A and B

d

A and C

5.

If x = a – b, y = b – c, z = c – a, then the numerical value of the algebraic expression x^{^³} + y^{^³} + z^{^³} – 3xyz will be

a

a + b + c

b

0

c

4 (a + b + c)

d

3 abc

6.

The value of $2 \cos \frac{\pi}{13} \cos \frac{9 \pi}{13}+\cos \frac{3 \pi}{13}+\cos \frac{5 \pi}{13}$ is

a

$\frac{1}{2}$

b

0

c

$-\frac{1}{2}$

d

$\frac{1}{8}$

7.

Which of the following expression(s) is/are true?

I. 337 is a prime number.

II. The number 12 has 6 positive factors.

III. 32724 is completely divisible by 9.

a

Only I

b

Only I and II

c

Only II and III

d

All expressions are true

8.

Three circles of equal radius ’a’ cm touch each other. The area of the shaded region is :

a

$\left(\frac{\sqrt{3}+\pi}{2}\right) a^{2}$ sq.cm

b

$\left(\frac{6 \sqrt{3}-\pi}{2}\right) a^{2}$ sq.cm

c

$(\sqrt{3}-\pi) a^{2}$ sq.cm

d

$\left(\frac{2 \sqrt{3}-\pi}{2}\right) a^{2}$ sq.cm

9.

P is 20% more efficient than Q. If Q alone can finish a work in 10 days, then in how many days will P alone finish the work?

a

$8 \frac{1}{3}$

b

8.5

c

9

d

12

10.

A and B together can complete a work in 15 days. They started together but after 5 days A left the work. If the remaining work is completed by B in 15 more days, then A alone can complete the entire work in how many days?

a

25

b

50

c

35

d

45