Question # 1

If (2, 3) and (2, 5) are end points of a diameter of a circle, then the centre of the circle is

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(2, 4)

(4, 8)

(0, 2)

(0, -2)

If a, b, c are in A.P., then 3^a, 3^b, 3^care in

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A.P.

G.P.

H.P.

None of these

f(x) = ax + b will be a constant function if

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a = 1 , b = 1

a = 1 , b = 0

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-cosec²x

-sec²x

- cosec x cot x

cosec x

The area of the circle centred at (1,2) and passing through (4,6) is

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30 πsq.units

5π sq.units

15π sq.units

25π sq.units

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x = 3

x = 1/5

x = 0

None of these

The set which has no proper subset is

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{0}

{}

{∅}

None of these

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

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Rational

Irrational

Complex

None of these

A = B if

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A is equivalent to B

The period of|sin⁡2x| is

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π/2

-π/2

π

π/3

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