Question # 1

A conditional "if p then q" is denoted by

Choose an answer

What is the probability of being born on Wednesday?

Choose an answer

1/7

1/2

1/3

1/8

The solution of differential equation:

Choose an answer

dy/dx+y/x = x²is :

4xy = x⁴+ c

4x = x⁴= c

4 y = x⁴+ c

4x=4x³ + c

For an A.P common difference d

Choose an answer

Can be zero

May or may not zero

Cannot be zero

None of these

The maximum value of sinθcosθis

Choose an answer

1

1/2

1/4

1/6

Choose an answer

30°

45°

60°

120°

In the function f: A⟶B, the elements of a are called

Choose an answer

Images

Pre-images

ranges

Parameters

If sinθand cosθare the roots of the equation ax²- bx + c = 0, then a, b, c satisfy the relation

Choose an answer

b²- a²= 2ac

A²- b²= 2ac

A²+ b²= c²

B²+ a²= 2ac

Which symbolic notation represent unary operation ?

Choose an answer

-

∨

∧

⇔

Which of the following integrals can be evaluated

Choose an answer

What is the period of tan 4/3 x =?

Choose an answer

π/4

4π/3

7π/4

3π/4

The law of cosines reduces to a2 +c2 =b2 for

Choose an answer

α = 90°

β = 90°

γ = 90°

α +β +γ =180°

Choose an answer

(x, y)

(kx, y)

(x, ky)

(kx, ky)

Which is an explicit function

Choose an answer

y = x²+ 2x - 1

x²+ xy + y²= 2

x²+ y²= xy + 2

All are

If B-A≠φ , then n(B-A) is equal to

Choose an answer

n(a)+n(c)

n(c)-n(a)

n(a)-n(c)

None of these

A relation in which the equality is true only for some values of the known is called ______

Choose an answer

An identity

An equation

A polynomial

None of these

Choose an answer

-10

10/7

-10/7

-7/10

A card is drawn from a pack of cards numbered 2 to 53. the probability that the number on the card is prime number less than 20 is

Choose an answer

2 / 13

4 / 13

5 / 13

8 / 13

The Domain of y = sin x is ______

Choose an answer

Set of real numbers

Rational

Irrational no.

None of above

If the roots of ax²- bx - c = 0 change by the same quantity, then the expression in a, b, c that does not change is

Choose an answer

The positive value of k for which the equation x2 + kx + 64 = 0 has one of the roots 0

Choose an answer

4

64

8

All values of k

(0.90)^1/2is equal to

Choose an answer

0.99

0.90

0.80

0.88

Choose an answer

A = B

B = C

A = C

None of these

Choose an answer

The set {1, -1, 1, -1}, form a group under

Choose an answer

Addition

Multiplication

Subtraction

None

The probability to get an odd number in a dice thrown once is

Choose an answer

1/2

1/6

1/3

2

if f(x) = x³ -3x² +5x -1, then f(-√2)=

Choose an answer

7+7√2

3+3√2

-7-7√2

-3-3√2

(x +a)(x +b)(x +c)(x +) = k, k≠0 is reducible to quadratic form only if

Choose an answer

a+b=c+d

a+c=b+d

a+d=b+c

All are correct

For f(x) = x² + px +1, if f(3) = 3 then P =

Choose an answer

3/7

-2/5

-7/5

-7/3

2π is the period of

Choose an answer

sin𝜽

tan𝜽

cot𝜽

all circular function

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