Question # 1

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The range of principal sine function is:

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If S is a sample space and event E is S then P(E) is:

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0

1

>1

none

No. of necklaces can be made from 7 beads of different colors ?

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360

120

60

70

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3×2

2×3

2×2

3×3

In 2s = a + b + , then in any triangle ABC:

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all of above

One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............:

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3

2

1

4

The identity element in a group is:

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unique

inifinite

both a and b

not possible

The imaginary part of the complex number a + bi is:

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a

b

bi

none of these

Domain of finite sequence is:

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set of natural numbers

subset of N

R

none

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4

16

8

64

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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equal sets

null sets

overlapping sets

subsets

Conjugate of a + i b is:

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-a + ib

a + ib

-a - ib

a - ib

Distinct objects means:

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identical objects

not identical

similar

none of these

In a circle of radius r, an arc of length kr will subtend in angle of __________ radians at the center:

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s

k

r

Θ

If two sets have no element common, they are called:

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disjoint

over lapping

dissimilar

exhaustive

A triangle which is not right angle triangle called ________ triangle:

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acute

obtuse

right

oblique

If W = {0, 1, 2, 3, 4, ........}, N = {1, 2, 3, 4 ...........} then N - W = ?

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W

{0}

none of these

In an A.P.a₃ = 12 and a₇ = 32 then d = :

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5

3

7

9

If a set is described in words, the method is called:

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tabular form

descriptiveform

set builder notation

non-tabular method

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11th Class Part 1 Mathematics Test Online MCQs With Answers

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