Question # 1

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

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10

15

20

none of these

A circle which touches one side of a triangle externally and the other two produces sides internally is known as:

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Division of a natural number by another natural number gives:

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always a natural number

always an integer

always a rationalnumber

always an irrational number

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

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rational

irrational

equal

complex

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1 + cos Θ

1 - cos Θ

If z = x + i y = r (cos Θ + i sin Θ), then arg z is:

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tan Θ

cos²Θ + sin²Θ

r

Θ

The graph of x = sin y is obtained by reflecting the graph of y = sin x about the line:

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x axis

y axis

y = x

y = -x

If f(x) = arccos x, then:

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a + c = b + d

a + b = c + d

a - b = c - d

None of these

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1

-1

-6

6

The angle between 0° and 360° and co-terminal with - 620° is:

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100°

200°

300°

320°

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T₆

T₇

T₈

T₅

In triangle the length of the sides are 7, 4√3 and √13. Then the smallest angle is:

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15°

30°

60°

45°

The sum of 10 A.Ms between 3 and 47 is:

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50

250

100

500

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0

-1

>1

none

tan (270° + Θ) is equal:

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cot Θ

tan Θ

-cot Θ

-tan Θ

In a right isoceles triangle, one acute angle is:

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30°

45°

60°

75°

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cos x

sec x

The lengths of the sides of a triangle are proportional to the sines of the opposite angles to the sides. This is known as:

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The law of sines

The law of cosines

The law of tangents

The fundamental law

sin (α + ß) =

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If a polynomial P(x) = x2 + 4x2 - 2x + 5 is divided by x - 1, then the reminder is:

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8

-2

4

5

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Mathematics Fsc Part 1 Online Test MCQs With Answers

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