Question # 1

The average of first 100 integers is=

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50 1/2

25 1/4

100

5050

An angle 0 is such that tan θ = 1 and cos θ is negative then

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Sin θ is positive

Cos θ = √2/4

cosθ = -1

sec θ is negative

P(x) = 2x⁴ -3x³ +2x-1 is polynomial of degree

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1

2

3

4

Two natural numbers whose sum is 25 and difference is 5, are

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25, 20

20, 10

20, 5

15, 10

The two different parts of the hyperbola are called is

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Vertices

Directrices

Nappes

Branches

If the angle between two vectors with magnitude 8 and 2 is 60° then their scalar product is

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12

8

16

1

A sequence of numbers whose reciprocals forms an arithmetic sequence is called

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Harmonic series

Arithmetic series

Harmonic sequence

Geometric sequence

Sum of integers starting from to n is

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n(n+1)/4

n(n+1)/6

n(n+1)/2

n(n-1)/2

The multiplicative inverse of -1 in the set {1-,1} is

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40

30

50

20

The value of Cos (1/2 Cos^-1 1/2) is equal to

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√3/2

-3/4

1/16

1/4

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