Question # 1

Choose an answer

2²- n - 1

1 - 2^-n

n + 2^-n-1

2ⁿ- 1

The solution of the quadratic equation x2 -7x + 10=0, is

Choose an answer

2

5

2,5

7

Choose an answer

Domain of 1+cot2θ=csc2θ is

Choose an answer

[0,π]

R-{x/x=nπ,n∈ z}

(-∞,+∞)

[-1,1]

If the matrices A and B are conformable for multiplication then (AB)^t= ______

Choose an answer

AB

A^tB^t

B^tA^t

A^tB

3x + 4 > 0 is

Choose an answer

equation

inequality

identity

none of these

A circle which touches one side of a triangle externally and the other two sides produced is called ______

Choose an answer

In-circle

Circum cirle

Escribed circle

None of these

Choose an answer

The solution set of the equation 4 cos²x - 3 + 0 is

Choose an answer

none of these

The probability of getting a number between 1 and 100 which is divisible by 1 and itself if only is

Choose an answer

1 / 4

1 / 2

3 / 4

25 / 98

Choose an answer

additive property

multiplicative property

additive identity

multiplicative identity

(a^-1)^-1=

Choose an answer

a^-1

a

-a

None of above

The points (5, 0, 2), (2, -6, 0), (4, -9, 6) and (7, -3, 8) are vertices of a

Choose an answer

Square

Rhombus

Rectangle

Parallelogram

ax + by < c is linear inequality in

Choose an answer

four variables

three variables

two variables

one variable

Ifπ≤x≤2π, then cos-1 (cos x)=

Choose an answer

cos x

-x

1/x

-x

Rational number is a number which can be written as a terminating decimal fraction or a

Choose an answer

Non-terminating decimal fraction

Non-recurring

Recurring decimal fraction

a, b and c

24 can be written as a product of

Choose an answer

Odd factors

Even factors

Whole factors

Prime factors

Choose an answer

The roots of the equation ax²+ bx + c = 0 are complex/imaginary if

Choose an answer

b²- 4ac < 0

b²- 4ac = 0

b²- 4ac > 0

None of these

Choose an answer

1

-1

5

2

The equation of the circle witch centre (-3, 5) and radius 7 is

Choose an answer

(x-3)²+ (y+5)²= 7²

(x-3)²+ (y-5)²= 7²

(x+3)²+ (y+5)²= 7²

(x+3)²+ (y-5)²= 7²

Choose an answer

x-axis

y-axis

z-axis

None of these

A sequence of number whose reciprocals form an arithmetic sequence is called

Choose an answer

Geometric sequence

Arithmetic series

Harmonic sequence

Harmonic series

Choose an answer

Cos 2x = sin 4y

Cos 4y = cos 2x

Cos 3y = sin 4x

None of these

Period of tan x is ______

Choose an answer

If Z₁= 1 + i, Z₂= 2+3i, then |Z₂- Z₁| = ?

Choose an answer

The domain of the principle sine function is

Choose an answer

Riaz, Saba. Maria, Shehzad are to give speeches in a class. The teacher can arrange the order of their presentation in

Choose an answer

4 ways

12 ways

256 ways

24 ways

More Classes

Other Links

ECAT Pre General Science Mathematics Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer