Question # 1

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B

A

none of these

If the elevation of the sun is 30°, the length of the shadow cast by a tower of 150m height is:

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none

Conjugate of a + i b is:

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-a + ib

a + ib

-a - ib

a - ib

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1

0

2

3

Domain of the function y = tan^-1 x is:

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Tan (294°) =

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tan24°

-tan24°

cot24°

-cot24°

π, e are:

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integers

natural numbers

rationalnumbers

irrationalnumbers

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Graphs of trigonometric function within their domains are:

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line segments

sharp corners

broken lines

smooth curves

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{1, 2, 3}

{5, 6, 7}

{4}

The system of measurement in which the angle is measured in degrees, and its sub-units, minutes and seconds is called the:

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circular system

sexagesimal system

decimal system

degree system

x2 - 5x + 6 = 0 is:

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i

0

The multiplicative invers of a non-zero real number a is:

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0

-a

a

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

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7

-7

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

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W

{0}

none of these

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

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5

24

20

none

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quadratic equation

reciprocal equation

exponential equation

none of these

Number of terms in the expansion of (x+y)⁶ is:

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7

6

2

8

The set of negative integers is closed with respect to:

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addition

multiplication

both (a) and (b)

subtraction

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Mathematics FA Part 1 Online Test MCQs With Answers

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