The shaded region in the adjacent diagram represents ______________

(a)

(A∪B)′

(b)

(A∩B)′

(c)

A′∩B′

(d)

A∩B

If n is a natural number then \(\sqrt { n } \) is ________.

(a)

always a natural number

(b)

always an irrational number

(c)

always a rational number

(d)

may be rational or irrational

x³ – x² is a …………..

(a)

monomial

(b)

binomial

(c)

trinomial

(d)

constant polynomial

If bisectors of ∠A and ∠B of a quadrilateral ABCD meet at O, then ∠AOB is ________.

(a)

∠C + ∠D

(b)

\(\frac { 1 }{ 2 } (\angle C+\angle D)\)

(c)

\(\frac { 1 }{ 2 } \angle C+\frac { 1 }{ 3 } \angle D\)

(d)

\(\frac { 1 }{ 3 } \angle C+\frac { 1 }{ 2 } \angle D\).

On plotting the points O(0, 0), A(3, – 4), B(3, 4) and C(0, 4) and joining OA, AB, BC and CO, which of the following figure is obtained?

(a)

Square

(b)

Rectangle

(c)

Trapezium

(d)

Rhombus

The mean of a, b, c, d and e is 28. If the mean of a, c and e is 24, then mean of b and d is _______.

(a)

24

(b)

36

(c)

26

(d)

34

If cos A = \(\frac { 3 }{ 5 } \), them the value of tan A is

(a)

\(\frac { 4 }{ 5 } \)

(b)

\(\frac { 3 }{ 4 } \)

(c)

\(\frac { 5 }{ 3 } \)

(d)

\(\frac { 4 }{ 3 } \)

If the lateral surface area of a cube is 600 cm², then the total surface area is _______.

(a)

150 cm²

(b)

400 cm²

(c)

900 cm²

(d)

1350 cm²

If A is any event in S and its complement is A' then, P(A′) is equal to _______.

(a)

1

(b)

0

(c)

1-A

(d)

1-P(A)

A particular result of an experiment is called _______.

(a)

Trial

(b)

Simple event

(c)

Compound event

(d)

Outcome