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NAT I General Science Mathematics MCQs With Answers

Question # 1

How many different arrangements of the letters in the word QABABA are Possible?

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720

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Question # 2

An angle 0 is such that tan θ = 1 and cos θ is negative then

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Sin θ is positive

Cos θ = √2/4

cosθ = -1

sec θ is negative

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Question # 3

d/dx (3y⁴) =

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12y³ dy/dx

8y³

8y³ dy/dx

12y³

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Question # 4

The general solution of the differential equation dy/dx = log x is

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Y = -x log x- x +c

Y = x log x + x²

Y = x log x -x +c

Y= 2x log x + 2x +c

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Question # 5

If the angle between two vectors with magnitude 8 and 2 is 60° then their scalar product is

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Question # 6

Write the first four term of the arithmetic sequence if a₁ = 5 and other three consecutive terms are 23,26,29

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18 years

36 years

8 years

16 years

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Question # 7

The center of a circle of radius 10 is on the origin which of the following points lies with in the circle

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(10,0)

(8,8)

(8,4)

(0,10)

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Question # 8

The value of x, and y, when (x+iy)²=5+4i

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X=2, y=-1

X=-2, y=1

X=2, y=-i

X=2, y=2

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Question # 9

0 (zero) is

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A irrational number

A rational number

A negative integer

A positive number

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Question # 10

AreCot √3 =?

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π/2

2π

π/6

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Question # 11

Sin-1 [-1/2] = ______.

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∏/3

-∏/6

-∏/3

∏/6

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