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Online Tests

ECAT Pre General Science Mathematics Online Test MCQs With Answers

Question # 1

The set {x|x∈N∧x-4=0} in tabular form is

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{-4}

{0}

{}

None of these

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Question # 2

f(x) = sin x is:

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an odd function

an even function

an implicit function

an exponential function

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Question # 3

1 radian = _____

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60°

57.296°

57.2°

180°

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Question # 4

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Square matrix

Row matrix

Symmetric matrix

Null matrix

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Question # 5

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- cot 4x + c

cot 4x + c

tan 4x + c

- tan 4x + c

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Question # 6

The distance of the points (3, 4, 5) from y-axis is

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Question # 7

The number of subset of {0} is

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1

2

3

None

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Question # 8

If f(x) = -x³then f(-2) is

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-2

-4

-8

8

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Question # 9

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Question # 10

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Associative property of addition

Associative property of multiplication

Commutative property of addition

Commutative property of multiplication

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Question # 11

General solution of tan 5θ= cot 2θis

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Question # 12

Probability of an impossible event is

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0

-1

1

∞

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Question # 13

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Question # 14

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Question # 15

The additive inverse of 1 is

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1

-1

0

Does not exist

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Question # 16

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Question # 17

Composition of functions is

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Non-commutative (fg ≠ gf)

non-associative [8(fh) ≠(8f)h]

Commutative (fg = gf)

f of-1≠ 1

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Question # 18

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Question # 19

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Question # 20

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

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dependent variable

independent variable

constant

none of these

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Question # 21

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x =0, y =4

x = -1, y = 2

x = 2, y = 3

x = 3, y = 4

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Question # 22

Form a group of 5 men and 3 women, a committee of 4 persons is to be selected randomly. The probability that there is a majority of men is

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1/4

1/3

1/2

1/6

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Question # 23

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Symmetric property

Cancellation property w.r.t. multiplication

Reflexive property

Transitive property

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Question # 24

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

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Circle

Hyperbola

Ellipse

Pair of straight lines

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Question # 25

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Question # 26

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Question # 27

E-radius corresponding to < C is

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Question # 28

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

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7th

8th

9th

6th

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Question # 29

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Question # 30

4^1+x+ 4^1-x= 10 is called

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Reciprocal equation

Exponential equation

Radical equation

None of these

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Question # 31

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