Question # 1

Division of a natural number by another natural number gives:

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always a natural number

always an integer

always a rationalnumber

always an irrational number

Number of terms in the expansion of (x+y)⁶ is:

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7

6

2

8

If sinΘ <0, cosΘ<0 then the terminal arm of the angle lies in quadrant:

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I

II

III

IV

Factors of x² + y² are:

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(x + iy) (x - iy)

(x + y) (x - y)

(x + y) (x + y)

none

The series 2 + 2 + 2 ..... is:

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divergent

convergent

oscillatory

none of these

The graph of x = sin y is obtained by reflecting the graph of y = sin x about the line:

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x axis

y axis

y = x

y = -x

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set builder notation

tabular form

descriptive method

non-set builder method

r₁=

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Number of terms in the expansion of (a+b)ⁿ is:

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n

n+1

n-1

none of these

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A and B are power sets

A and B are disjoint sets

A and B are super sets

A and B are equal sets

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

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i

0

The period of cos 2x is:

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cancellation property w.r.t multiplication

cancellationproperty w.r.t addition

multiplicativeproperty

additiveproperty

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cos⁴Θ - sin⁴Θ =

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sin 2Θ

cos 2Θ

tan 2Θ

sec 2Θ

2 sin 12° sin 46° =

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cos 34° + cos 58°

sin 34° - sin 58°

sin 34° + sin 58°

cos 34° - cos 58°

(1 - sin²Θ) (1 + tan²Θ) =

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0

1

Θ

-1

If AB = BA = I, then A and B are:

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equal to each other

multiplicative inverse of each other

additive inverse of each other

both singular

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diagonal matrix

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