Question # 1

The set of negative integers is closed with respect to:

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addition

multiplication

both (a) and (b)

subtraction

If tan Θ > 0 and sin Θ < 0 then terminal arm of the angle lies in quadrant:

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I

II

III

IV

Solution set of the equation x² - 3x + 2 = 0 is

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{-1, 2}

{1, -2}

{-1, -2}

{1, 2}

With usual notations for triangle R equals:

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2 sin α cos ß =

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sin (α + ß) - sin (α - ß)

cos (α + ß) + cos (α - ß)

sin (α + ß) + sin (α - ß)

cos (α + ß) - cos (α - ß)

No. of arrangements of the letters of the word plane taking all letters at a time:

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5

1

none

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°

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3

1

4

None

In triangle ABC, if α = 90° then:

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none of these

The number of ways in which fiver persons can sit at a round table is:

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4!

5!

none of these

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What is the general term of the sequence 2, 4, 6, 8, ........... ?

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2n

n + 1

2n²

none of these

3^2x - 3^x - 6 = 0 is:

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reciprocal equation

exponentialequation

radicalequation

none of these

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real numbers

complexnumbers

primenumbers

oddnumbers

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tan (α+ß) =

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cos(tan^-1∞) =

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0

∞

1

cos⁴Θ - sin⁴Θ =

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sin 2Θ

cos 2Θ

tan 2Θ

sec 2Θ

If A = [aij] and B = [bij] are two matrices of same order r × s, then order of A - B is:

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r - s

r × s

r + s

none of these

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A function whose domain is the set of natural numbers is called the:

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series

sequence

means

convergent

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11th Class ICS Mathematics Test Online MCQs With Answers

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