Question # 1

If the points (a,2b):(c,a+b):(2c-a,h) lie on the same line then

Choose an answer

h=2a

h=a+b

h=ab

h=ac

Choose an answer

-2x³

2x^-3

-2x^-3

2x³

Choose an answer

2, 3

3, 3

2, 6

2, 4

Range of cosecθis

Choose an answer

W - {y | -1 < y < 1}

R - {y | -1 < y < 1}

O - {y | -1 < y < 1}

R

If c = 2i+j+k and d= -1 + 4j +2k, then [c-d]=

Choose an answer

√7

√41

√19

√(2&7)

Choose an answer

parallel vectors

perpendicular vectors

concurrent vectors

collinear vectors

The general solution of tan 3x = 1 is

Choose an answer

an -an-1,∀n∈N∧n>1 in an A.P is called

Choose an answer

Common difference

nth term

Common ratio

None of these

Choose an answer

sin(a-90°)=______;

Choose an answer

sina

cosa

-sinθ

-cosa

The middle term in the expansion of (a +x)¹²is

Choose an answer

7th

8th

9th

6th

If (2,0) is the vertex and y-axis is directrix of parabola then focus is

Choose an answer

(2,0)

(-2,0)

(4,0)

(-4,0)

The set of integer is

Choose an answer

Finite group

A group w.r.t addition

A group w.r.t multiplication

Not a group

Find the sum of the infinite geometric series 2 + 1 + 0.5 + ....

Choose an answer

3.5

3

4

None of these

Choose an answer

2x cos x2

2sinxcosx

- sin x2

2x sin x2

The set {{a,b}} is

Choose an answer

Infinite set

Singleton set

Two points set

None

Choose an answer

The period of cos(7x-5) is

Choose an answer

π/7

7π/2

π/2

2π/7

If 2x^1/3+ 2x^-1/3= 5, then x is equal to

Choose an answer

1 or -1

2 or 1/2

8 or 1/8

4 or 1/4

If a,b,c are unit vectors then |a + b|2 +|a - b|2

Choose an answer

4

8ab

9cos

4(a,b)

Choose an answer

0

U

u/2

log u

The triangle that does not have a right angle is called.

Choose an answer

Isosceles triangle

right angle triangle

equivalent triangle

oblique triangle

Choose an answer

120

5

4

6

What is the 26th term of the sequence, if its general term is a_{n = (-1)}ⁿ⁺¹

Choose an answer

2

26

27

1

If P = {x/x = p/q where p,q∈ Z and q≠ 0}, then P is the set of

Choose an answer

Irrational numbers

Even numbers

Rational numbers

Whole numbers

Choose an answer

What is the probability of being born on Wednesday?

Choose an answer

1/7

1/2

1/3

1/8

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