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Online Tests

ECAT Pre General Science Mathematics Online Test MCQs With Answers

Question # 1

w¹¹= ______

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0

1

w

w²

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Question # 2

If E = { } , then P(E)

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∅

{ }

{(2),(4),(6)....}

(∅)

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Question # 3

If Z = (1,2), then Z^-1= ?

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(0.2, 0.4)

(-0.2, 0.4)

(0.2, -0.4)

(-0.2, -0.4)

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Question # 4

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One-one but not onto

One-one and onto

Onto but not one-one

Neither one-one nor onto

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Question # 5

The multiplicative inverse of x such that x = 0 is

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-x

Does not exist

1/x

±1

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Question # 6

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f(x) = x²

f(x²) = x

f(x) = x

none of these

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Question # 7

Domain of sin x is ______

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Question # 8

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None of these

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Question # 9

Range of 2 tan x is ______

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[-2, 2]

-1 < x < 1

R

None of these

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Question # 10

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Question # 11

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none of these

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Question # 12

How many arrangements of the letter of the word PAKPATTAN can be made

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Question # 13

f(x) = x3-x/x2+1 is :

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an even function

an odd function

an even and implicit function

neither even nor a odd

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Question # 14

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Question # 15

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Question # 16

If G is the centroid of the triangle, then GA +GB+GC=

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0

1

-1

3

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Question # 17

The differential equation of all st. lines which are at a constant distance to form the origin is

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Question # 18

The sum of co-efficient in (1+x-3x²)⁴¹⁶³is

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0

1

-1

None

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Question # 19

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Parallel to the plane

At right angles to the plane

Lies in the plane

Meet the plane obliquely

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Question # 20

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Question # 21

(ABC)' =

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CBA'

CBA

C'B'A

C'B'A'

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Question # 22

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2

6

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Question # 23

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Question # 24

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none of these

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Question # 25

An A.P., a G.P. and a H.P. have the same first and last terms and the same odd numbers of terms, the middle terms of the three series are in

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A.P.

G.P.

H.P.

None of these

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Question # 26

Which of the following has the same value as i¹¹³?

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i

-1

-i

1

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Question # 27

f(x) = 3x/x² + 1 is:

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an even function

an odd function

an even and implicit function

neither even nor a odd

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Question # 28

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Polynomial of degree 0

Polynomial of degree 2

Quadratic equation

None of these

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Question # 29

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Question # 30

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sec x tan x

cos²x

sin²x

sec²x

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Question # 31

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-1

0

2

1

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