Question # 1

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

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3

1

2

4

Sequences are also called:

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Series

Progressions

Means

Convergence

The domain of y = cos^-1 x function is:

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If s denotes the length of the arc intercepted on a circle of radius r by a central angle of α radians, then:

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s = rα

s = r + α

none of these

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30°

45°

60°

75°

Reciprocals of the terms of the geometric sequence form:

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A.P

G.P

H.P

none

[0] is a:

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The system of measurement in which the angle is measured in degrees, and its sub-units, minutes and seconds is called the:

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circular system

sexagesimal system

decimal system

degree system

The graph of y = cos^-1 x is obtained by reflecting the graph of y = cos x about:

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x-axis

y-axis

y = x

y = -x

The range of principal cosine function 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 domain of principal sine function is:

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linear equation

Quadraticequation

cubicequation

radicalequation

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2

4

6

8

No. of ways of solving a quadratic equation:

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1

3

2

4

tan (α - ß ) =

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In 2s = a + b + , then in any triangle ABC:

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all of above

Distinct objects means:

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identical objects

not identical

similar

none of these

Rational numbers are:

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repeating decimals

terminatingdecimals

periodicdecimals

all of these

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B

A

none of these

If sinΘ <0, cosΘ<0 then the terminal arm of the angle lies in quadrant:

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I

II

III

IV

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