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Online Tests

ECAT Pre General Science Mathematics Online Test MCQs With Answers

Question # 1

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Question # 2

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Question # 3

3, 6, 12,.... is

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A.P

G.P.

H.P.

None of these

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Question # 4

An infinite arithmetic series is always

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Convergent

Oscillatory

Divergent

None of these

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Question # 5

The multiplicative inverse of 2/3 is

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3/2

-2/3

-3/2

1

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Question # 6

Circle x² + y² - 2y -y = 0 and x² + y² - 8y -4 =0:

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Interesect

touch externally

touch internally

do not touch

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Question # 7

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Question # 8

The point of concurrency of the medians of the ΔABC is called its

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Orthocenter

Centriod

Circumcentre

Incentre

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Question # 9

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Question # 10

In (x + iy) x is the known as

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Imaginary part of complex number

Real part of complex number

Complex number

None of above

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Question # 11

The order of the matrix A is 3 x 2 and that of B is 2 x 3. The order of the matrix BA is

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3 x 3

3 x 2

2 x 5

5 x 2

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Question # 12

If the graph of f is entirely below the x-axis, then the value of definite integral is

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= 0

< 0

> 0

None

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Question # 13

A circle passing through the vertices of any triangle is called ______

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In circle

Circum circle

Escribed circle

None of these

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Question # 14

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Question # 15

The number of values of x in the interval [0, 5π] satisfying the equation 3 sin²x - 7 sinx + 2 = 0 is

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0

5

6

10

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Question # 16

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a = 2, b = 3

a = 3, b = 2

a = 2, b = 1, 2

a = 3, b = 3

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Question # 17

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Question # 18

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Question # 19

The multiplicative inverse of 1 is

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1

-1

0

Does not exist

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Question # 20

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Singleton set

A set with two points

Empty set

None of these

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Question # 21

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Associative property of addition

Commutative property of addition

Distributive property

Additive identity

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Question # 22

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Rational

Irrational

Even

Odd

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Question # 23

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Question # 24

If the intersection of two sets is non-empty, but either is a subset of other are called

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Disjoint sets

Over lapping

Equal sets

None of these

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Question # 25

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0

1

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Question # 26

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Question # 27

Onto function is also called

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Binjective function

Injective function

Surjechive function

None of these

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Question # 28

The differential equation representing the family of curves y = A cos (x + B), where A, B are parameters, is

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Question # 29

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a

2a

3a

4a

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Question # 30

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1

2

3

None of these

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Question # 31

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Multiplication property

Additive property

Trichotomy property

Transitive property of inequality

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