Question # 1

ⁿC₄ =ⁿC₈then n = :

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4

12

8

6

If (x - 2, 2) = (3, 2), then:

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x = 5

x = 2

x = -5

x = 3

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

If A is a square matrix, then:

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|A^t| = A

|A^t| = -A

|A^t| = |A|

A^t= A

No. of necklaces can be made from 7 beads of different colors ?

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360

120

60

70

If sin Θ + cosec Θ = 2, then sin² Θ + cosec² Θ =

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2

4

0

8

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The distance between the points P(x1, y1) and Q(x2, y2) is:

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The ordered pairs (2, 5) and (5, 2) are:

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not equal

equal

disjoint

empty

One card is drawn at random from a pack of 52 cards. The probability that the card drawn a king is:

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none of these

In a circle of radius r, an arc of length kr will subtend in angle of __________ radians at the center:

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s

k

r

Θ

The range of principal tangent function is:

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1 radian is equal to:

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180°

none of these

x2 - 5x + 6 = 0 is:

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If a statement P(n) is true for n = 1 and truth of P(n) for n = k implies the truth of P(n) for n = k + 1, then P(n) is true for all:

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integers n

real numbers n

positive real numbers n

positive integers n

In how many ways two places can be filled by n objects:

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n(n-1)

2!

n(n+1)

None

Tan (294°) =

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tan24°

-tan24°

cot24°

-cot24°

Conjugate of -3 -2 i is:

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3 + 2i

-3 + 2i

2 + 3i

-2 + 3i

If the roots of x² - bx + c = 0 are two consecutive integers, then: b² - 4ac =

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0

1

-1

2

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