Question # 1

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)

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(a - c)²= b²- c²

(a - c)²= b²+ c²

(a + c)²= b²- c²

(a + c)²= b²+ c²

The minimum value of the quadratic function f(x) = 5 x 2-11,is

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7

-7

6

-11

(-28,12) divides the join of A(-6,3) and B(5,-2) in ratio

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1:2

3:2

2:3

2:1

The transpose of a column matrix is a ______

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Zero matrix

Diagonal matrix

Column matrix

Row matrix

How many signals can be given by 5 flags of different colours, using 3 flags at a time

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120

60

24

15

The fifth term of an A.P. Whose first term is 5 and common difference is 3,is

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20

17

25

30

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The sum of even coefficient in the binomial expansion is

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2ⁿ⁺¹

2ⁿ

2^n-1

2n

The nth term of a G.P. is

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a₁rⁿ

a₁rⁿ⁺¹

a₁r^n-1

a₁r^-n

The third term of a G.P. is the square of first term. If the second term is 8, then the 6th term is

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120

124

128

132

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