Question # 1

The set of all positive even integers is

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Not a group

A group w.r.t. subtraction

A group w.r.t. division

A group w.r.t. multiplication

For three consecutive terms in A.P middle term is called

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A.M

nth term

Central term

None of these

The angle of depression of the point at a distance 70 meters from the foot of the tower from the top of the tower is 45^𝜊.The height of the tower is

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37m

97m

101m

70m

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A

B

A'B'

B'A

For f(x) = x2, what is the value of f(a) +f (-a) in terms of a?

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3a2

2a2

2a

-7a

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1

-1

0

I

What is the period of sin 2x/3 cos 4x=?

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π

2π

π/2

π/3

Roots of the equation 2x²- 7x + 3 = 0 are

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Rational

Irrational

Complex

None of these

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xy

y

0

x

The length of perpendicular from (3,1) to 4x +3y +20 =0 is

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6

7

3

8

Which of the vectors have opposite direction?

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