Question # 1

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3/8

7/8

1/8

None

A class contains nine boys and three girls, in how many ways can the teacher choose a committee of four?

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460

495

272

60

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

The domain of the function y = sin x , is

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-π/2≤ x≤ π/2

π/ ≤ x≤ π

-2π ≤ x≤ 2π

-1 ≤ x≤ 1

Period of tan x is ______

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The area of circle of unit radius =

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0

1

4

π

3x + 4 < 0 is

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not inequality

equation

identity

inequality

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5 / 12

3 / 8

5 / 8

7 / 4

Range of y = sec x is

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-1≤ y≤ 1

y≥ 1 or y≤ -1

y≤ 1or y≥ -1

-∞ < y < +∞

The value of i⁴ⁿ⁺¹

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1

-1

i

i²

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If n is any positive integer ,t hen 2+4+6+......+2 n=

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2ⁿ-1

2ⁿ+1

n²+1

n(n+1)

Which of the following sets has closure property w.r.t. addition

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{ 0 }

{ 1 }

{ 0, -1}

{ 1, -1}

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Associative property of addition

Commutative property of addition

Distributive property

Additive identity

A square matrix A = [aij] is lower triangular matrix when:

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aij = 0 for all i < j

bij = 0

cij = 0

dij =0

The symbol of irrational is

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W

N

Q

Q'

The probability that a person A will be alive 15 years hence is 5/7 and the probability that another person B will be alive 15 years hence is 7/9. Find the probability that both will be alive 15 years hence

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4/63

5/9

45/49

None of these

A function in which the second elements of the order pairs are distinct is called

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Onto function

One-one function

Identity function

Inverse function

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-1

0

1

undefined

i³ =

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-1

i

-i

1

A bag contains 5 white, 7 red and 5 black balls. If four balls are drawn one by one with replacement, the probability that none is white is

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(11/16)²

(5/16)²

(11/16)⁴

(5/16)⁴

If the sum of co-efficient in the expansion of (a+b)ⁿis 4096, then the greatest co-efficient in the expansion is

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1594

792

924

2924

The conic is a parabola, when:

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ᵨ > 1

ᵨ < 1

ᵨ = 1

ᵨ = 0

sin(a + β)+sin(a -β) =_____;

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2cosa cosβ

2sina cosβ

2cosa sinβ

-2sina sinβ

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The direction cosines of y-axis are

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1, 0, 0

0, 1, 0

0, 0, 1

1, 1, 1

x = ________ is in the solution of 2x + 3 > 0

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1

-2

-3

-4

(ABC)' =

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CBA'

CBA

C' B' A'

None of these

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