Question:

If P and Q are two disjoint sets, then n (P ∩ Q) is

A.

1

B.

0

C.

2

D.

3

Answer» b. 0

Question:

If (x – 1), (x + 1) and (2x + 3) are in A.P, then the value of x is

A.

-2

B.

0

C.

2

D.

4

Answer» b. 0

Question:

The value of logarithm of 8 to the base 2 is

A.

3

B.

0

C.

1

D.

2

Answer» a. 3

Question:

Which term 128 is of the progression 1, 2, 4, 8, …….?

A.

8th term

B.

7th term

C.

9th term

D.

10th term

Answer» a. 8th term

Question:

p varies inversely as q. If p = 2 then q = 3. Find p if q = 2.

A.

3

B.

4

C.

1

Answer» a. 3

Question:

The mean proportional between 4 and 16 is

A.

8

B.

10

C.

9

D.

+ 8

Answer» d. + 8

Question:

The 8th term of the series 256, 128, 64 ….. is

A.

2

B.

4

C.

8

D.

16

Answer» a. 2

Question:

The value of logarithm of 1/10 to the base 10 is

A.

1

B.

-1

D.

10

Answer» b. -1

Question:

P and Q are two non-empty sets. Given: n(P) = 12, n(Q) = 6 and n (P U Q) = 10. Then n (P ∩ Q) is

A.

8

B.

9

C.

7

Answer» a. 8

Question:

Product of the two roots of the quadratic equation 3×2 – 5x + 2 = 0 is

A.

2/5

B.

3/2

C.

2/3

D.

5/3

Answer» c. 2/3