Question # 1

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A^-

A^t

-A

A

Fifteen girls compete in a race. The first three places can be taken by them in

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3! ways

12! ways

15 x 14 x 13 ways

42 ways

How many necklaces can be made from 6 beads of different colours?

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120

60

24

15

pth term of an H.P. is qr and qth term is pr then the rth term of the H.P. is

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pqr

1

pq

pqr²

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

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1

2

3

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The angle of depression of a point A on the ground from the top of the tower is 30𝜊,then the angle of elevation of the top of the tower at the point A is

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60𝜊

40𝜊

41𝜊

30𝜊

The number z so that the triangle with vertices A(1,-1,0),B(-2,2,1)and C(0,2,z) is a right triangle with right angle at vertex C

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1,2

-1,-2

2,-1

-2,1

If f:A→B is an injective function and second elements of no two of its ordered pairs are equal, then f is called

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1-1 and onto

Bijective

1-1 and into

None of these

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Improper rational fraction

Proper rational fraction

Polynomial

Equation

The behavior of trigonometric function is called

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Continuity

Discontinuity

Periodicity

Smoothness

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I quadrant

II quadrant

III quadrant

IV quadrant

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1.4142135... is ______

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A natural number

A rational number

A prime number

An irrational number

sin(a-90°)=______;

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sina

cosa

-sinθ

-cosa

If x,y are two positive distinct numbers then

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A>G>H

A<G<H

A=G=H

None of these

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0

1

2

none of these

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1/2

2

1/4

4

For what value of k, 3x -2y+ k= 0 is tangent to the circle x2 +y2 +6x -4y =0

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k=0

k=0 or 26

k = 26

k=-13

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An expression

Rational fraction

Equation

Identity

p(x) = 2x⁴- 3x³+ 2x - 1 is polynomial of degree

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1

2

3

4

If nis positive integers, then 2ⁿ>2n+1, only when

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n≤ 3

n≥ 3

n≤ 2

n≤ 1

If a,β are the roots of ax2+bx+c=0,the equation whose roots are doubled is

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ay2 +2by+c=0

ay2+2by+4c=0

ay2+2by+c=0

ay2+by+4c=0

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Every term of a G.P. is positive and also every term is the sum of two preceding terms. Then the common ratio of the G.P. is

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What is the probability of being born on Wednesday?

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1/7

1/2

1/3

1/8

The number of real tangents that can be drawn to the ellipse 3x²+ 5y²= 32 passing thro. (3, 5) is

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0

1

2

Infinite

If 0 = R, thenthe additive inverse of a is

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1/9

^1/-9

a

-a

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