Question # 1

The sum of 10 A.Ms between 3 and 47 is:

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50

250

100

500

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cos x

sec x

2 cos α sin ß =

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cos (α + ß) + cos (α - ß)

sin (α + ß) + sin (α - ß)

sin (α + ß) - sin (α - ß)

cos (α + ß) + cos (α - ß)

Conjugate of -3 -2 i is:

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3 + 2i

-3 + 2i

2 + 3i

-2 + 3i

Which trigonometric equation has secondary solution ?

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sin Θ = 1

cos Θ = 1

sec Θ = 0

tan Θ = 1

A dice is thrown. The probability to get an even number is:

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1

none of these

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No. of diagonals can be formed by joining the vertices of the polygon having 12 sides ?

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70

54

70

73

In a triangle if α > 45°, ß > 30° then Γ cannot be:

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90°

100°

120°

10°

x2 - 5x + 6 = 0 is:

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To draw general conclusions from well-known facts is called:

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logic

proposition

induction

deduction

The middle term in the expansion of (a+b)²⁰ is;

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10^th term

11^thterm

12^thterm

13^thterm

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3:5:2

3:2:1

1:2:3

sin (Θ - π) =

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No. of signals made by 4 flags of different colors using 2 flags at a time:

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6

12

60

none

If A is a matrix of order m × n, then the number of elements in each row of A is:

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m

n

m + n

m - n

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sin x

cosec x

If α, ß are the roots of x² + kx + 12=0 such that α-ß = 1 then K = :

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0

±5

±7

±15

If the Discriminant of a quadratic equation is a perfect square, then roots are:

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real and equal

complex

rational

irrational

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- cot Θ

- tan Θ

tan Θ

none of these

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