Question # 1

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5

18

15

23

If a : b = c : d, then b : a = d : c is called theorem of:

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Invertendo

Alternando

Dividendo

Componendo

The area of a circle is:

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If a = -2, b = -1 and c = -1, then discriminant is equal to:

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17

-17

-7

7

The angle subtended by an arc at the centre of a circle is called its:

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Outer angle

Centralangle

Complementaryangle

Supplementaryangle

The formula of grouped data of the arithmetic mean is:

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X̅ = ∑X/n

X̅ = A + ∑fX/∑X

X̅ = ∑fX/n

X̅ = l +n/f (n/2 - c)

When the number of observations of a set of data is even then the median formula is:

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the set {0,±1,±2,±3,........} is:

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Set of natural numbers

Set of whole numbers

Set of prime numbers

Set of integers

A line which has only one point in common with a circle is called:

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Sine of a circle

Cosineof a circle

Tangentof a circle

Secantof a circle

The measure of the external angles of a regular octagon is:

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-1

Which of the following is associative law of union?

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A∪ (B ∪ C) = (A∪ B)∪ C

A∩ (B∩C)= (A∩B)∩C

A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)

A∩(B∪ C) = (A∩B)∪(A∩C)

The quotient is indicated by a:

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Comma (,)

Bracket ( )

Bar (-)

Hyphen (!)

The radiance measure of an angle that forms a complete circle is:

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2π

3π

4π

6π

1/cosθ = ................

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Sinθ

Secθ

Co secθ

Cosθ

The date presented in the form of frequency distribution is called:

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distribution

grouped data

range data

regrouped data

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