Question # 1

Variance is denoted by...........................

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V

S

S²

X

Sec 30^o = .....................

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1/2

√3/2

2

2/√3

Sum of the roots of the equation 3x²-5x+7=0:

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5+3

5³

The quotient of two numbers or algebraic expressions is called:

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Ratio

Fraction

Proportion

Percentage

Triangle with sides 5cm , 7cm 8cm is a ____________ triangle:

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obtuse angle

right angle

acute angle

quadrant angle

Eculid's Elements have been thought as _____ all over the word for countries:

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Text book

Reference book

Helping book

Major subject

In continued proportion a:b = b:c, ac = b², b is said to be _______ proportional between a and c:

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Third

Fourth

Means

None of these

The n^th positive root of the product of the x₁,x₂,x₃..................x_n observations is called:

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Mode

Mean

Geometric mean

If the incentre and circumcenter of a triangle coincide the triangle is:

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Right angle

Scaleve

Isosceles

Equilateral

In which quadrant 0 lie when Sinθ<0,Secθ<0?

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I

II

III

IV

The factors of 3x²-7x-20=0 are:

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(x-4)(3x+5)

(x+4)(3x-5)

(x-4)(3x-5)

(x+4)(3x+5)

1/sinθ = ...............

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Cosθ

Secθ

Co secθ

Cotθ

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An identity

An equation

A faction

None of these

During frequency distribution number of groups should be between........

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5 and 10

10 and 15

10 and 20

5 and 15

The distance of a point inside the circle from its centre is ______ than the radius:

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Greater

Equal

Shorter

Less

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214

256

273

296

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