Question # 1

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none of these

If ax²+ bx + x = 0 is satisfied by every value of x, then

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b = 0, c = 0

c = 0

b = 0

a = b = c = 0

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A = x, B = 1

A = 0, B = 2

A = -1, B = 1

A = x-1, B = x + 1

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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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14 is not a

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Prime number

Whole number

Even number

Real number

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The law of cosines reduces to a2 +c2 =b2 for

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α = 90°

β = 90°

γ = 90°

α +β +γ =180°

If x is an image of y under the function f. This can be written as

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y = f(x)

f(x) = 0

x = f(y)

f(y) =0

The set { {a, b} } is

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Infinite set

Singleton set

Two points set

Empty set

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range of f

domain of f

both (a) and (b)

none of these

∫sin(ax+b) dx is equal to:

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1/2a cos (ax + b)

-1/a cos (ax +b)

1/a cos (ax +b)

1/a ln (ax + b)

If the terminal rays of an angle falls on any axis then the angle is called

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Allied angle

Acute angle

Standard position

Quadrantal angle

A card is drawn from a pack of cards numbered 1 to 52, the probability that the number on the card is a perfect square is

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1/13

2/13

7/52

None of these

The third term of a G.P. is 4, The product of first five terms is

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43

45

46

None of these

If E = { } , then P(E)

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∅

{ }

{(2),(4),(6)....}

(∅)

For all points (x,y) in first quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

If A = |aij| is (m x n) matrix then transpose of A is of the order

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m x m

m x n

n x n

n x m

An A.P., a G.P. and a H.P. have the same first and last terms and the same odd numbers of terms, the middle terms of the three series are in

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A.P.

G.P.

H.P.

None of these

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Reflexive property

Symmetric property

Transitive property

Additive property

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n(A)

n(B)

0

1

One root of the equation cos x - x + 1/2 = 0 lies in the interval

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For all points (x,y) in third quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

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1 + tan²x + c

tan x + c

-tan x + c

cot x + c

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In a country 55% of the male population has houses in cities while 30% have houses both in cities and in villages find the percentage of the population that has houses only in villages

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45

30

25

50

x = sin^-13, then the value of sin x is

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√(3/2)

3

Not possible

-1

If the function y=2x -3, what is the preimage of 11?

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11

7

5

2

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