The set P = {x | x ∈ Z , –1 < x < 1} is a –––––––––.

(a)

Singleton set

(b)

Power set

(c)

Null set

(d)

Subset

An irrational number between 2 and 2.5 is ________.

(a)

\(\sqrt { 11 } \)

(b)

\(\sqrt { 5 } \)

(c)

\(\sqrt { 2.5 } \)

(d)

\(\sqrt { 8 } \)

The zero of the polynomial 2x+5 is _______.

(a)

\(\frac {5}{2}\)

(b)

\(-\frac {5}{2}\)

(c)

\(\frac {2}{5}\)

(d)

\(-\frac {2}{5}\)

The GCD of x⁴-y⁴ and x²-y² is _______.

(a)

x⁴-y⁴

(b)

x²-y²

(c)

(x+y)²

(d)

(x+y)⁴

The exterior angle of a triangle is equal to the sum of two ________.

(a)

Exterior angles

(b)

Interior opposite angles

(c)

Alternate angles

(d)

Interior angles

If the y-coordinate of a point is zero, then the point always lies ______.

(a)

in the I quadrant

(b)

in the II quadrant

(c)

on x-axis

(d)

on y-axis

For which set of numbers do the mean, median and mode all have the same values?

(a)

2, 2, 2, 4

(b)

1, 3, 3, 3, 5

(c)

1, 1, 2, 5, 6

(d)

1, 1, 2, 1, 5

The value of cosec(70⁰ + \(\theta\)) - sec(20⁰ - \(\theta\)) + tan(65⁰ + \(\theta\)) - cot(25⁰ - \(\theta\)) is ________.

(a)

0

(b)

1

(c)

2

(d)

3

If the ratio of the sides of two cubes are 2:3, then ratio of their surface areas will be _______.

(a)

4 : 6

(b)

4 : 9

(c)

6 : 9

(d)

16 : 36

Which of the following cannot be taken as probability of an event?

(a)

0

(b)

0.5

(c)

1

(d)

-1