Question # 1

tan(π + cot^-1x ) =

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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

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn bears a number which is a multiple of 3 ?

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none of these

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

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-1

1

∞

none

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integer

rationalnumber

irrationalnumber

naturalnumber

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- cot Θ

- tan Θ

tan Θ

none of these

Which of the following is correct:

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2 + 7i > 10 + i

1 + i > 1 - i

4 + 3i > 1 + 3i

none of these

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

Distinct objects means:

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identical objects

not identical

similar

none of these

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)

tan (α+ß) =

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Arithmetic series is only possible if:

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|d| = 1

|d| < 1

|d| > 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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5

14

20

6

The direction of an angle Θ is determined by its:

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value

magnitude

ratio

sign

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scalar matrix

diagonalmatrix

triangularmatrix

none of these

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

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7

-7

A reference angle Θ is always:

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1 + cos Θ

1 - cos Θ

Period of a trigonometric function is:

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any real number

any negative real number

any integer

a least positive number

If sin α < 0 and cos α > 0, then α lies in:

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I

II

III

IV

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Mathematics FA Part 1 Online Test MCQs With Answers

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