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Online Tests

Mathematics ECAT Pre Engineering Online Test MCQs With Answers

Question # 1

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Question # 2

(51)⁴is equal to

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7065201

8065201

6765201

6565201

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Question # 3

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none of these

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Question # 4

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Question # 5

In R, the multiplicative identity is

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0

1

-1

None

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Question # 6

If a set S contains n elements then P (S) has ........ number of elements

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2ⁿ

2ⁿ²

2.n

n²

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Question # 7

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Question # 8

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Question # 9

For f(x) = x2, what is the value of f(a) +f (-a) in terms of a?

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3a2

2a2

2a

-7a

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Question # 10

If (0, 0) and (-1, 0) are end points of a diameter, then the equation of the circle is

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Question # 11

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¹⁰C₆

¹⁰C₅

¹⁰C₄

None

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Question # 12

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1.5

1.2

8

None of these

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Question # 13

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Question # 14

Arithmetic mean between x - 3 and x + 5 is

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x + 1

x + 2

x + 3

x + 4

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Question # 15

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ab=-1

ab = 1

ab = 2

None

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Question # 16

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quadratic function

constant function

trigonometric function

linear function

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Question # 17

Find a if 1 is a root of the equation x²+ ax + 2 = 0

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3

-3

2

0

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Question # 18

The distance of the point (1.1) from the origin is

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0

2

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Question # 19

A fraction in which the degree of the numerator is less than the degree of the denominator is called

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Polynomial

Equation

Proper fraction

Improper fraction

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Question # 20

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3x²+ 2

3x²+ 2x + 3

x³+ x²

none of these

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Question # 21

Roots of the equation x²- 7x + 10 = 0 are

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{2, 5}

{-2, 5}

{2,5}

{-2,-5}

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Question # 22

The expansion of (1 + 2x)^-2is valed if

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| x | < 1/2

| x | < 1

| x | < 2

| x | < 3

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Question # 23

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360°

180°

90°

None of these

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Question # 24

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Question # 25

The mid point of the line segment joining the points (3,-1) and (-3,1) is

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(3,-1)

(0,0)

(2,2)

(4,4)

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Question # 26

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none of these

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Question # 27

Distance between A(3, 8), B(5, 6) is

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Question # 28

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16

None of these

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Question # 29

If a,b,c are in arithmetic progression, then 1/a,1/b.1/c are in

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A.M

G.M

H.M

G.P

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Question # 30

G = {e, a, b, c} is an Abelian group with e as identity element The order of the other elements are

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2,2,2

3,3,3

2,2,4

2,3,4

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Question # 31

The sum of complex number (a,b) and (c,d) is

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