Question # 1

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quad. I

quad. II

quad. III

quad. IV

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A

B

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all of these

If A is non singular matrix then A^t is:

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singular

nonsingular

symmetric

none

If n(S) = 3 then n {P(S)} =

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2

8

16

4

In binomial expansion of (a+b)n, n is positive integer the sum of even coefficients equals:

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none of these

The middle term of (x-y)¹⁸ is:

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9th

10th

11th

none of these

Complex roots of real quadratic equation always occur in:

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conjugate pair

ordered pair

reciprocal pair

none of these

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Four fourth roots of 625 are:

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±5,±5i

±5,±25i

±25,±25i

none of these

No. of ways of solving a quadratic equation:

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1

3

2

4

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To convert any angle in degrees into radians, we multiply the measure by:

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If z = x + i y = r (cos Θ + i sin Θ), then arg z is:

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tan Θ

cos²Θ + sin²Θ

r

Θ

Tan (294°) =

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tan24°

-tan24°

cot24°

-cot24°

The quadrant of an angle Θ is determined by its:

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sign

value

ratio

magnitude

A set containing finite number of elements is called:

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nullset

superset

finiteset

infiniteset

If the roots of x² - bx + c = 0 are two consecutive integers, then: b² - 4ac =

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0

1

-1

2

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

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4!

5!

none of these

The angles 90°±Θ, 180°±Θ, 270°±Θ, 360°±Θ, are the:

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composite angles

half angles

quadrantal angles

allied angles

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11th Class Part 1 Mathematics Test Online MCQs With Answers

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