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Online Tests

ECAT Pre General Science Mathematics Online Test MCQs With Answers

Question # 1

An infinite sequence has no

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nth term

Last term

Sum

None of these

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Question # 2

ⁿC₂= exists when n is ______

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Question # 3

The last term of (1+2x)-2

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(-1)-2 (2x)-2

(-1)-4(-2x)-2

(-1)-3(2x)-3

Does not exist

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Question # 4

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additive property

multiplicative property

additive inverse

additive identity

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Question # 5

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3

1

2

4

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Question # 6

(A∩Bc)c= -------------------------

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Ac∪Bc

Ac∪B

Ac∩B

None of these

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Question # 7

If c is a constant number and if f is the function defined by the equation f(x) =c for all values of x, then f is differentiable at every x and f is defined by the equation f(x)

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f

1

C

0

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Question # 8

The sum of first 60 natural numbers is

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1830

3660

1640

1770

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Question # 9

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Question # 10

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In(x²- x + 1) + c

In(2x - 1) + c

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Question # 11

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Question # 12

The mid point of the line segment joining the points A(3,1) and B(-2,-4) is

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(1, -3)

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Question # 13

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In f(x) + c

f(x) - c

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Question # 14

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Question # 15

Tan 360° = _______

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-1

0

1

Undefined

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Question # 16

If m and n be two scalars, then (m+n) g =

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0

m+n

m▁a+n▁a

ma - m▁a

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Question # 17

The expansion (1 + x)^-3holds when

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|x| > 1

|x| < 1

x < 1

x > 1

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Question # 18

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Question # 19

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none of these

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Question # 20

Derivative of x³w.r.t x is

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0

1

3x²

x³

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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

Name the property used in 4 + 9 = 9 + 4

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Associative property of addition

Commutative property of addition

Distributive property

Additive identity

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Question # 23

The number z so that the triangle with vertices A(1,-1,0),B(-2,2,1)and C(0,2,z) is a right triangle with right angle at vertex C

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1,2

-1,-2

2,-1

-2,1

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Question # 24

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Question # 25

sin²αcos²α=

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-1

0

1

None of these

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Question # 26

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2

4

8

12

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Question # 27

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x

y

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Question # 28

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3, -3, 11

3, 3, 11

-3, 3, -11

-3, -3, 11

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Question # 29

Every term of a G.P. is positive and also every term is the sum of two preceding terms. Then the common ratio of the G.P. is

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Question # 30

The equation of the line perpendicular to x- axis and passing through (-5,3) is

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y -3 =0

x+ 3 =0

y- 3 =∞

x +5 =0

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Question # 31

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