Question # 1

In any triangle ABC,with usual notationαsinβ =____;

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b sinα

bsinβ

αsinα

None of these

The set of first elements of the ordered pairs in a relation is called its

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domain

range

relation

function

Multiplicative inverse of 0 is

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0

1

±1

Does not exist

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The fifth term of the sequence a_n= 2n + 3 is ______

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13

-13

8

3

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The period of|sin⁡2x| is

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π/2

-π/2

π

π/3

The line y =mx +1 is tangent to the parabola y2 =4x if

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m=1

m=2

m=3

m=4

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Let P(x₁, y₁) and Q(x₂, y₂) be two points in the co-ordinate plane. Let d = distance between P and Q

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5

10

20

30

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If we have a statement "if p then q" then q is called

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Conclusion

Implication

Unknown

Hypothesis

In quadratic equation f(x) = ax²,if a >0, then the graph of parabola

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Opens up

Opens down

close up

symmetric w.r.t.x.axis

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24 can be written as a product of

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Odd factors

Even factors

Whole factors

Prime factors

If A is a set then any subset R of A x A is called

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relation on A

relation on B

relation from A to B

relation from B to A

The set of rational numbers is subset of

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The set of natural numbers

The set of real numbers

The set of integers

The set of whole numbers

To each element of a group there corresponds ............. inverse element

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Two

One

No

Three

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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Trival solution of homogeneous linear equation is

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(0, 0, 0)

(1, 2, 3)

(1, 3, 5)

a, b and c

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If a₁and r are the first term and the common ratio respectively then (n + 1)th term of the G.P. is

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0

a₁r^n-1

a₁rⁿ⁺¹

a₁rⁿ

The period of|sin⁡2x| is

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π/2

-π/2

π

π/3

Consider the equation px2 + qx + r = 0 where p,q,r are real The roots are equal in magnitude but opposite in sign when

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q = 0, r = 0,p ≠ 0

p = 0,qr≠ 0

r = 0,pq≠ 0

q = 0, pq≠ 0

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none of these

The probability that a slip of numbers divisible by 4 is picked from the slips of number 1,2,3,4,......10 is

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1/5

2/5

1/10

3/10

e-radii are denoted by

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η

r2

r3

All of these

The vertex of the equation y² = 4ax is:

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(2, -2)

(1,1)

(0 , 0)

(2 , 2)

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