Question # 1

The period of tan [x/3] is ______

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2π

4π

3π

5π

If one end of the diameter of the circle 2x²+ 2y²-8x - 4y = 2 = 0 is (2 ,3), the other end is:

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(2,1)

(-2,1)

(2,-1)

(1,-1)

(x + 2)²= x²+ 4x + 4 is

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A linear equation

A cubic equation

A quadratic equation

None

The direction cosines of y-axis are

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1, 0, 0

0, 1, 0

0, 0, 1

1, 1, 1

nCn-r is equal to

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n!

n-1Cr

nCr

None of these

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3

1

2

4

The 31 term of the A.P 5,2,-1.....is

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-82

82

85

-85

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The set of even prime numbers is

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(2,4,6,8,10}

{2,4,6,8,10,12}

{1,3,5,7,9}

{2}

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