Question # 1

The lengths of the sides of a triangle are proportional to the sines of the opposite angles to the sides. This is known as:

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The law of sines

The law of cosines

The law of tangents

The fundamental law

sin (Θ - π) =

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{2, 4, 6, 8, ...........} represents the set of:

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positive odd numbers

natural numbers

prime numbers

positive even numbers

A set can be described by:

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one way

two ways

several ways

threeways

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2

4

6

8

To draw general conclusions from well-known facts is called:

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logic

proposition

induction

deduction

Modulus of 15 i + 20 is:

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20

15

25

none of the above

If AB = BA = I, then A and B are:

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equal to each other

multiplicative inverse of each other

additive inverse of each other

both singular

If a_n = (n + 1) a_n-1, a₁ = 1, second term of the sequence is:

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3

1

2

4

In a right isoceles triangle, one acute angle is:

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30°

45°

60°

75°

The number of ways in which fiver persons can sit at a round table is:

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4!

5!

none of these

Domain of the function y = tan^-1 x is:

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If a_n-1 = 2n - 3 then a_n+1 =

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2n - 1

2n + 1

2n + 3

none

In how many ways two places can be filled by n objects:

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n(n-1)

2!

n(n+1)

None

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quad. I

quad. II

quad. III

quad. IV

Range of the function y = tan^-1 x is:

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Number of digits multiple of 5 made from the digits 2, 3, 5, 7, 9 is:

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5

24

20

none

The reciprocal of the terms of A.P. form:

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A.P

G.P

H.P

none of these

Equations having a common solution are called:

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linear

quadratic

homogeneous

simultenaeous

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A

B

The period of cosec 3x is:

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