Maths MCQS for NTS Set 4

120° degrees are equal to how many radians?

?/3 radians

2?/3 radians

?/2 radians

?/4 radians

If x² +y² = 4, Then dy/dx =

-x/y

y/x

2x +2y

4 -x²

The axis of the parabola y² = 4ax is

x =0

Y =0

X = -y

X = y

If Cos? =0, Then ?=

(2n – 1)?/2

(n ±1)?/2

(2n + 1)?/2

n?/2

A function F(x) is called even if

F(x) = F(-x)

F(x) = -F(x)

2F(x) = 0

F(x) = F(-x)

Two matrices A and B are conformable for multiplication (AB) if and only if

Subtraction

Addition

Multiplication

Division

If ?= 60° then

tan ? = cot 30°

? = ?/4

sin ? = 1/2

Sec ? =4

If 1 + Cos x = 0 then x =

? – n?

? + n?

? +2n ?

?/2

If the diagonal of a square has coordinates (1,2) and(5,6) the length of a side is

5

3

1

4

The equation of the circle with center origin and radius 2?2 is

x² – y² = 8

x² – y² = 2?2

x² + y² = 8

x² + y² = 2?2