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Online Tests

Mathematics ECAT Pre Engineering Online Test MCQs With Answers

Question # 1

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Question # 2

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25

16

5

0

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Question # 3

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Question # 4

If C={p/p < 18, p is a prime number}, then C =

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{2,3,4,.........17}

{2,4,6,8................16}

{1,3,5,7,9,11,13,15,17}

{3,6,9,12,15}

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Question # 5

Co-ordinate of a point on the parabola y² = 8x whose focal distance is 4 are:

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(2 , 4)

(-2 ,-4)

(-2, 4)

(2,-4)

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Question # 6

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No solution

One real solution

More than one real solution

None of these

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Question # 7

The function f(x) =|x| is a/an_______function

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Even

Odd

Both even as well as odd

Neither even nor odd

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Question # 8

To each element of a group there corresponds ______ inverse element

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Two

One

No

Three

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Question # 9

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(2x+a+b+c)

(a+b+c)

(a+b+c+x)

0

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Question # 10

The sum of the cubes of three consecutive natural number is divisible by

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9

6

5

10

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Question # 11

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Question # 12

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Question # 13

{1, 2, 3, 4,.....} is set of ______

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Natural numbers

Whole numbers

Integers

Rational numbers

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Question # 14

The range of the tangent function is

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all real numbers

-1 ≤ x ≥ 1

natural number

z⁺

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Question # 15

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Question # 16

The equation of the circle wit (-1, 1) and radius 2 is

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Question # 17

w¹⁵= ______

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0

1

w

w²

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Question # 18

sin(a + β)+sin(a -β) =_____;

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2cosa cosβ

2sina cosβ

2cosa sinβ

-2sina sinβ

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Question # 19

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0

1

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Question # 20

Area of the triangle whose vertices are (2,3),(0,1),(0,0) is

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6

2

4

1

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Question # 21

For two events A and B if P(A) = P (A/B) = 1/4 and P(B/A) = 1/2, then

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A is sub-event of B

A and B are mutually exclusive

A and B are independent and P(A/B) = 3/4

None of these

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Question # 22

∀a,b, c ε R,a +c = b + c = > a = b

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Reflexive property

Symmetric property

Cancellations property w.r.t. addition

Transitive property

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Question # 23

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Question # 24

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Reflexive property

Symmetric property

Cancellations property w.r.t. addition

Transitive property

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Question # 25

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Question # 26

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Question # 27

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1, 2, 3

1, 5, 9

2, 5, 8

3, 6, 9

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Question # 28

The period of cosec 10x is _______

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Question # 29

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none of these

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Question # 30

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none of these

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Question # 31

ⁿC₂= exists when n is ______

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