Question # 1

If Cosα = 3/5, Cosβ = 5/13, then

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Cos(α +β) =33/65

Sin(α +β) =56/65

sin²(α +β/2) =1/65

Cos(α +β) =63/65

∫1/ax +b dx =

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1/a log |ax + b| +c

Log |ax + b| +c

1/b log |ax +b| +c

1/x log |ax + b| +c

One of the roots of the equation 2x² + 3x + n = 0 is the reciprocal of the other, then n = --------------------

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Both A,B have the same number of columns

Both A,B do not have the same order

Number of col A is same as number of rows of B

Number of rows of A is same as number of col of B

The radius of the circle (x- 1)² + (y + 3)² =64 is

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8

2√2

4

64

1+2+3+......+n=?

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n(n +1)/2

n +1/2

n(n +1)(2n +1)/6

n³

The principal value of sin^-1 [√3/2] is

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π/3

-π/3

2π/3

5π/3

π/3 is

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A positive integer

A negative integer

A natural number

An irrational number

In general matrices do not satisfy

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Not a group

A group w.r.t. subtraction

A group w.r.t. division

A group w.r.t. multiplication

Given eight points in a plane no three of which are collinear how many lines do the points determine?

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16

64

28

36

Tan^-1 1/x =______

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Sin x

Sec^-1 X

Cot^-1 X

Sin Ix/cos- Ix

What is the period of Cot x?

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2π

π

π/2

4π

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NAT I General Science Mathematics MCQs With Answers

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