Question # 1

The roots of the equation 25x² - 30x + 9 = 0 are;

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rational

irrational

equal

complex

Numbers are formed by using all the digits 1, 2, 3, 4, 5, 6 on digit being repeated, then the numbers which are divisible by 5 are:

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110

120

122

124

The middle term in the expansion of (1+x)^1/2 is:

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T₂

T₃

does not exist

none of these

To draw general conclusions from a limited number of observations is called:

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logic

proposition

induction

deduction

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

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divergent

convergent

oscillatory

none of these

The period of tan 2x is:

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2 cos α cos ß =

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sin (α + ß) - sin (α - ß)

cos (α + ß) - cos (α - ß)

cos (α + ß) + cos (α - ß)

sin (α + ß) + sin (α - ß)

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Reflexive property

Symmetricproperty

Transitiveproperty

Trichotomyproperty

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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30°

45°

60°

75°

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2

4

6

8

Number of digits multiple of 5 made from the digits 2, 3, 5, 7, 9 is:

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5

24

20

none

sin (α - ß) =

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

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2

8

16

4

If z₁ = 4i and z₂ = 3 - 9i, then z₁ + z₂ =

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3 - 5i

3i - 5

7 - 9i

3 + 5i

Sum of all positive integral multiples of 3 less than 100 is:

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950

760

1230

875

{2, 4, 6, 8, ...........} represents the set of:

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positive odd numbers

natural numbers

prime numbers

positive even numbers

Number of ways of arranging 5 keys in a circular ring is:

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12

24

6

5

Inverse of an element in a group is:

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infinite

finite

unique

not possible

If one root of 2x² + ax + 6 = 0 is 2 then the value of a is:

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7

-7

Fifth term of the sequence 2, 6, 11, 17.

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24

41

32

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11th Class ICS Mathematics Test Online MCQs With Answers

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