Question # 1

If Z = (1,2), then Z^-1 =?

Choose an answer

(0.2, 0.4)

(-0.2 ,0.4)

(0.2,-0.4)

(-0.2,-0.4)

Choose an answer

square root function

identity function

linear function

quadratic function

Choose an answer

3x²+ 2

3x²+ 2x + 3

x³+ x²

none of these

If y=f(x) is a function then y is called

Choose an answer

dependent variable

independent variable

constant

none of these

Sum of first n terms of an arithmetic series is

Choose an answer

if A = (x/x€ Q˄ 0 < x < 1}, the A is

Choose an answer

Infinite set

Finite set

Set of rational numbers

Set of real numbers

Choose an answer

202.04 is an example of

Choose an answer

Recurring decimals

Non-recurring decimals

Terminating decimals

None of these

Choose an answer

cosec x + c

-cosec x + c

-sec x + c

sec x + c

√2 is a number

Choose an answer

Rational

Irrational

Even

Odd

2x³+ 3x + 9 is a ______

Choose an answer

Polynomial of degree 3

Quadratic equation

Cubic equation

Polynomial of degree 2

The angles with some initial and terminal sides are called

Choose an answer

Quadrantal angles

Coterminal angles

Allied angles

None

The 31 term of the A.P 5,2,-1.....is

Choose an answer

-82

82

85

-85

A triangle which is not right is called an ______ triangle

Choose an answer

Acute

Obtuse

Oblique

None of these

The solution set of x < 4 is

Choose an answer

-∞< x < 4

-∞> x > 4

-∞< x < 2

-∞> x > 2

The set {-1, 1} is

Choose an answer

Group under the multiplication

Group under addition

Does not form a group

Contains no identity element

In a country, 55% of the male population has houses in cities while 30% have houses both in cities and in village. Find the percentage of the population that has house only in villages.

Choose an answer

45

30

25

50

Choose an answer

Two real roots

Two positive roots

Two negative roots

One positive and one negative root

Domain of cosec x is ______

Choose an answer

In (x + iy), y is called as

Choose an answer

Imaginary part

Complex number

Real part

None of above

When the angle between the ground and the sun is 30^𝜊,flag pole costss a shadow of 40 mg long. the height of the top of the flag is

Choose an answer

25m

23m

12m

29m

If 2 and 2 are x and y components of vector then its angle with x-axis is

Choose an answer

30°

45°

60°

90°

Arithmetic mean between a and b is

Choose an answer

The line Ax + By + C = 0 will touch the circle x²+ y²=λ when

Choose an answer

C²=λ(A²+ B²)

A²=λ(A²+ C²)

B²=λ(A²+ C²)

None of these

Choose an answer

Probability of an impossible event is

Choose an answer

0

-1

1

∞

The real number system contains.

Choose an answer

Positive Numbers

Negative numbers

Zero

(option a, b and c)

Choose an answer

Multiplication property

Additive property

Trichotomy property

Transitive property of inequality

More Classes

Other Links

Mathematics ECAT Pre Engineering 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