Question # 1

Period of cot x is ______

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The exact degree value of the function sin-1( -√3/2) is

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70^ο

50^ο

90^ο

60^ο

If a,b c are sides of a triangle taken in order then a x b =

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b x c

b x a

cxa

Both a & b

What is the conjugate of -6 -i

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-6 +i

6 + i

-6 -i

6 -i

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

If a cone is cut by a plane perpendicular to the axis of the cone, then the section is a

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parabola

circle

hyperbola

ellipse

Given two numbers a and b. Let A denote the single A.M. between these and S denote the sum of n A.M.'s between them. Then S/A depends upon

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n, a, b

n, a

n, b

n

How many terms of the A.P 3,6,9,12,15...........must be taken to make the sum 108

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8

6

7

36

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Reflexive property

Symmetric property

Cancellations property w.r.t. addition

Transitive property

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The general term of the A.P. is

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a₁+ (n - 1) d

n + (a₁- 1) d

d + (n - 1) a₁

None of these

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