Question # 1

Onto function is also called

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Binjective function

Injective function

Surjechive function

None of these

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c = 0

c = -1

c = -2

c = 1

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No solution

One real solution

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Infinite set

Singleton set

Two points set

None

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I quadrant

II quadrant

III quadrant

IV quadrant

For two events A and B if P(A) = P (A/B) = 1/4 and P(B/A) = 1/2, then

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A is sub-event of B

A and B are mutually exclusive

A and B are independent and P(A/B) = 3/4

None of these

3, 6, 12,.... is

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A.P

G.P.

H.P.

None of these

Find the sum of the infinite geometric series 2 + 1 + 0.5 + ....

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3.5

3

4

None of these

θ and 2kπ+θ are the ________ angles

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Quadrantal angles

Coterminal

Allied

None

The fifth term of an A.P. Whose first term is 5 and common difference is 3,is

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20

17

25

30

If b²- 4ac is positive then the roots of the equation are

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Real

Imaginary

Positive

Negative

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(1, 3)

(-1, -3)

(1, -3)

(-1, 3)

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IfΔABC is right, law of cosine reduce to

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Law of sine

Law of tangent

Phthogorous theorem

Hero's formula

If the roots of 3x2+kx + 12 = 0 are equal then k = ______

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The set of ordered pairs (x,y) such that ax+ by < c, and (x,y) such that ax + by>0, are called

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Linear Inequalities

Feasible regions

Half planes

Boundary

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0

1

-2

10

In one hour, the hour hand of a clock turns through

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If a tangent line touches the function y = f (x) in more than one point then y = f (x) is

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Periodic

Surjective

Bijective

Injective

The measure of the angle subtended at the centre of the circle by an arc, whose length is equal to the radius of the circle is

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1⁰

1'

1"

1 rad

If the angle between two vectors with magnitude 2 and 15 is 30°then their scalar product is

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15

30

The expression x2 - x + 1 has

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One proper linear factor

No proper linear factor

Two proper linear factors

None of these

Domain of y = scs x is

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All real numbers except π/2 + n*π

R

All negative integers

None of these

sin (sin^-1(1/2))=

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0

2

∞

1/2

The sum of all 2 digit number is

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4750

3776

4895

4905

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If origin is the mid point of (a, -3) and (-5, b) then

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a = -5 , b = -3

a = 5 , b =3

a = -5 , b = 3

a = 5 , b = -3

√x = ______ if is a prime number

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Rational no

Natural no

Irrational no

Complex no

The square root of every incomplete square is an

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Rational numbers

Even numbers

odd numbers

Irrational numbers

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