Question # 1

There are n seats round a table numbered 1, 2, 3 .... n. The number of ways in which m person can take seats is

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ⁿP_m

ⁿC_mx (m - 1) !

^n-1P_m

None of these

The minimum value of the quadratic function f(x) = x2 +6x -2, is

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11

6

-11

13

Any whole number can be written as a product of factors which are

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Even number

Odd numbers

Prime number

Rational number

sinα=

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2 sinαcosα

2 sinαcosβ

2 sinα/2 cosα/2

1+ tan²α/2

The modulus of 12-5i is:

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7

13

√7

119

{1, 2, 3, 4,.....} is set of ______

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Natural numbers

Whole numbers

Integers

Rational numbers

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4

3

2

1

(0.90)^1/2is equal to

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0.99

0.90

0.80

0.88

A line joining two distinct points on a parabola is called

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Axis

Directrix

Chord

Tangent

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If (1+x)ⁿ=C₀+ C₁x +C₂x²+ ......+C_nx¹then C₀C₂+ C₁C₃+ C₂C₄+ .....+C_n-2C_n=

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