More Classes

5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject

Other Links

Go to Home
Online Tests

ECAT Pre General Science Mathematics Online Test MCQs With Answers

Question # 1

Choose an answer

Previous

Skip

Next

Question # 2

tan^-1(1/4) + tan^-1(2/9) is equal to

Choose an answer

1/2 cos^-1(3/5)

1/2 sin^-1(3/5)

1/2 tan^-1(3/5)

tan^-11/2

Previous

Skip

Next

Question # 3

A vector with magnitude one is called

Choose an answer

constant vector

unit vector

zero vector

null vector

Previous

Skip

Next

Question # 4

In the expansion of (x+y)n the coefficient of 5th and 12th terms are equal then n=

Choose an answer

12

n=14

17

n=15

Previous

Skip

Next

Question # 5

Choose an answer

None of these

Previous

Skip

Next

Question # 6

Choose an answer

Previous

Skip

Next

Question # 7

Choose an answer

k3

0

3k

k6

Previous

Skip

Next

Question # 8

Choose an answer

x²+ 2x + c

(x²+ 2x -1)⁴+ c

Previous

Skip

Next

Question # 9

f(x) = 2x²+ 3x + 5 is a

Choose an answer

trigonometric function

algebraic function

exponential function

logarithmic function

Previous

Skip

Next

Question # 10

Choose an answer

Previous

Skip

Next

Question # 11

There are n seats round a table numbered 1, 2, 3 .... n. The number of ways in which m person can take seats is

Choose an answer

ⁿP_m

ⁿC_mx (m - 1) !

^n-1P_m

None of these

Previous

Skip

Next

Question # 12

If 4 sin²θ=1, then values ofθare

Choose an answer

Previous

Skip

Next

Question # 13

The equation of the plane which bisects the line joining (2, 3, 4) and (6, 7, 8) is

Choose an answer

x + y + z - 15 = 0

x - y + z - 15 = 0

x - y - z - 15 = 0

x + y + z + 15 = 0

Previous

Skip

Next

Question # 14

For an arithmetic series to be convergent it is necessary that the series has

Choose an answer

Finite terms

d<0

Infinite terms

None of these

Previous

Skip

Next

Question # 15

Choose an answer

Previous

Skip

Next

Question # 16

Choose an answer

From an empty set

1

2

>2

Previous

Skip

Next

Question # 17

The second degree equation 2x2 -xy+ 5x -2y +2 =0 represents

Choose an answer

Circle

Hyperbola

Ellipse

Pair of straight lines

Previous

Skip

Next

Question # 18

The unit vector along y-axis is

Choose an answer

none of these

Previous

Skip

Next

Question # 19

Choose an answer

none of these

Previous

Skip

Next

Question # 20

The two parts into which 57 should be divided so that their product is 782 are

Choose an answer

43,14

34,23

33,24

44,13

Previous

Skip

Next

Question # 21

Choose an answer

R

2R

r

2r

Previous

Skip

Next

Question # 22

Choose an answer

0

1

none of these

Previous

Skip

Next

Question # 23

If sided of𝜟ABC are 16,20,and 33, then the value of the greatests angle to

Choose an answer

150𝜊 20'

132𝜊 35'

101𝜊 25'

160𝜊 50'

Previous

Skip

Next

Question # 24

If a₁, r and a_nare the first term, common ratio and the nth term respectively of a G. P. then a_n=

Choose an answer

a₁rⁿ

a₁r^n-1

a₁rⁿ⁺¹

a₁r

Previous

Skip

Next

Question # 25

If a=5j + 2j,b=2i -3j, then|a+2b|=

Choose an answer

√21

√97

√39

None of these

Previous

Skip

Next

Question # 26

The radian measure of the central angle of an arc 50 m long on a circle of radius 25 m is

Choose an answer

3

2

1

Previous

Skip

Next

Question # 27

Choose an answer

1

-1

0

I

Previous

Skip

Next

Question # 28

Choose an answer

Previous

Skip

Next

Question # 29

The product of the four fourth roots of unity is

Choose an answer

0

1

-1

None of these

Previous

Skip

Next

Question # 30

∀a,b,c∈R, a >b ∧ b>c ⇒ a >c is

Choose an answer

Trichotomy property

Transitive property

Symmetric property

Additive property

Previous

Skip

Next

Question # 31

Choose an answer

A

A'

U

U'

Previous

Skip

Next

Back