Question # 1

Two natural numbers whose sum is 25 and difference is 5, are

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25, 20

20, 10

20, 5

15, 10

Sin (2π -θ) =______.

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Cosθ

-Sinθ

-cosθ

The multiplicative inverse of x such that x = 0 is

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-x

does not exist

1/x

0

The nth term of A,P:1,5,9,15...........is given by

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4n - 3

4n + 1

3n -4

4n +3

Which is an explicit function

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y = x² +2x -1

x² +xy +y² =2

xy² -y +9/xy =1

All are

Let A, B, and C be any sets such that A∪B=A∪C and A∩B=A∩C then

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A ≠ C

B = C

A = B

A ≠ B

Tan (π + Tan^-1 x) =?

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Tan x

X

-x

Cot^-1 x

Which of the following is the subset of all sets ?

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A ≠ C

B = C

A = B

A ≠ B

If f(x) = x³- 2x² +4x-1, then f(-2) =?

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0

-25

5

45

If A = [a_ij] and b = [b_ij] are the matrices of the order 3x3 then A-B=

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Circle

Ellipse

Parabola

Hexagon

If the 9^th tern of A.P is 8 and the 4^th term is 20. then the first term is

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1

2

-2

-1

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NAT I General Science Mathematics MCQs With Answers

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