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Online Tests

ECAT Pre General Science Mathematics Online Test MCQs With Answers

Question # 1

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6x - 2 + c

x³- x²+ x + c

6x - x²+ c

6x³- x²+ c

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Question # 2

graph of sine function is bounded between lines

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y± 1 = 0

x± 1 = 0

x± y - 0

None of these

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Question # 3

The position vector of any point in space is

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Question # 4

The domain of y =√(x^2-9) is

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R

(0 , +∞)

(-∞ , -3 )∪ (3 , +∞)

(0 ,∞)

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Question # 5

Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

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Question # 6

The range of function f(x)=-x2+2x-1 is

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R

(-∞,0]

(-∞,1]

[0,∞)

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Question # 7

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Question # 8

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0

1

2

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Question # 9

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(2x4)

(2x7)

(2x3)

(7x2)

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Question # 10

The positive real number which is the measure of the length of a vector is called the

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Unit vector

Modulus

Inverse

None of these

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Question # 11

Which term of the A.P 5,8,11,24.............is 320

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104th

106th

105th

64th

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Question # 12

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8

4

64

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Question # 13

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I quadrant

II quadrant

III quadrant

IV quadrant

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Question # 14

The first three terms in the expansion of (1 + x)^-2are ______

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1 - 2x + 3x²

1 - 2x - 3x²

1 + 2x + 3x²

-2 -2x + 3x²

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Question # 15

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Question # 16

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Question # 17

3.5+5.4=5.4+3.5 =8.9 this property of addition is called

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additive identity

assoclative property

commulative property

closure property

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Question # 18

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Question # 19

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4x + 1

4x

2x³

none of these

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Question # 20

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all

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Question # 21

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Question # 22

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1

-i

i

0

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Question # 23

A dice is rolled. The probability that the dots on the top are greater than 4 is

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1/6

1/3

1/2

1

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Question # 24

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none of these

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Question # 25

A square matrix A = [aij] is lower triangular matrix when:

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aij = 0 for all i < j

bij = 0

cij = 0

dij =0

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Question # 26

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Question # 27

A triangle has six

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side

elements

angle

tangents

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Question # 28

Which of the following is not a solution of system of inequalities 2x- 3y ≤6,2x +y≥ 2,x +2y≤ 8, x≥ 0,y ≥ 0

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(1,0)

(0,4)

(3,0)

(8,0)

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Question # 29

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Question # 30

Express the perimeter P of square as a function of its area A?

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P = 4√A

P =√A

P = 2A

P =π√A

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Question # 31

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