Maths MCQS for NTS Set 4

r + 3 > 5 then which is true

None

r + 2 < 4

r + 2 + 4

r + 2 > 4

Graph of the equation X² + y² = 4 is

A square

a parabola

an ellipse

a circle

In the figure PS is perpendicular to QR, if PQ = PR 26 and P8 = 24,then QR=

20

10

40

26

What is the domain of y = Cot^-1 x?

Set of all real numbers

Set of irrational numbers only

Set of integers only

Set of complex numbers only

AreCot ?3 =?

?/6

?

2?

?/2

In the triangle ? ABC, where C is the right angle Tan A + Tan B=

B²/AC

C² /AB

A +B

A²/BC

The area of circle of unit radius=

?

1

4

0

A relation in which the equality is true only for some values of the unknown variable is called

Inverse function

A polynomial

An identity

An equation

If |A| ? 0 then A is called

1

0

±1

-1

The angle a (0° < a< 180°) measured counterclockwise from positive x-axis to a non-horizontal straight line / is called the

Inclination

None

Rotation

Radian