Question # 1

y = sin^-1 x if and only if x = sin y, where:

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No. of diagonals can be formed by joining the vertices of the polygon having 5 sides ?

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5

15

51

10

A matrix of order m×1 is called:

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row matrix

column matrix

identity matrix

scalar matrix

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

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I

II

III

IV

Cot1°, Cot2°, Cot3°, .......... Cot89° =

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-1

1

∞

none

The domain of y = cos^-1 x function is:

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4

16

8

64

Sum of roots of ax² + bx + c = 0 is equal to product of roots only if:

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a+c=0

b+c=0

a+b=0

a+b+c=0

If A = {1, 2, 7, 9}, B = {1, 4, 7, 11}:

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disjoints sets

equal sets

overlapping sets

complementary sets

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zero

non-singular

singular

none of these

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

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tabular form

descriptiveform

set builder notation

non-tabular method

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

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If A is a square matrix, then A - A^t is:

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all of these

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cos^-1 (-x) =

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π + cos^-1 x

π - cos^-1x

π + sin^-1x

π - sin^-1x

The additive inverse of a real number is a:

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0

-a

a

If a_n-3 = 2n - 5 then a_n =

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2n-1

2n+1

2n+3

none

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

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disjoint

over lapping

dissimilar

exhaustive

What is the general term of the geometric sequence -1, 1, -1, 1 ....... ?

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(-1)ⁿ

(1)ⁿ

(-1)^n-1

none of these

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Mathematics FA Part 1 Online Test MCQs With Answers

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