Question # 1

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1.4142135... is ______

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A natural number

A rational number

A prime number

An irrational number

i¹⁰¹=

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i

i²

-i

-1

The radian measure of the central angle of an arc 50 m long on a circle of radius 25 m is

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3

2

1

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1

2

-1

0

If cos 20°=K and cos x=2 k²-1, then the possible values of x between 0° and 360° are

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140°

50° and 140°

50° and 130°

40° and 320°

The perpendicular bisector of any chord of a circle

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Passes through the centre of the circle

Does not pass through the centre of the circle

May or may not pass through the centre of the circle

None of these

Q∪ Q' =

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Q

Q'

N

R

The number of 5-digit number that can be formed from the digits 1,2,4,6,8, when 2 and 8 are never together is

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72

48

144

20

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n!

0!

1

None of these

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184

none of these

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l²+ m²+ n²= 0

l²- m²+ n²= 1

l²+ m²+ n²= 1

l²+ m²- n²= 0

The periods of the function f(x) = x[x] is

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1

2

Non periodic

None of these

If #n = (n-5)2 + 5, then find #3 x #4.

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54

12

4

9

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1

-1

The triangle that does not have a right angle is called.

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Isosceles triangle

right angle triangle

equivalent triangle

oblique triangle

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2x - 3x + c

x²- 3x + c

Unit vector in the positive direction of x-axis is

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A

A'

U

U'

When rational fraction is separated into partial fractions, the result is

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an identity

A fraction

A partial sum

Improper fraction

Domain of cosecθis

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Number of selections of n different things out of n

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1

nPr

n!

nPr

tan270° =__________;

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0

1

-1

Undefined

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Two cards are drawn at random without replacement. the probability that the first is a king and second is not a king is

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48 / 663

24 / 663

12 / 663

None of these

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What is the conjugate of -6 -i?

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-6 +i

6+i

-6 -i

6 -i

150°= ______

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P(A) + P(B)

P(A) - P(B)

P(A) . P(B)

P(A) / P(B)

Which of the following us a scalar

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displacement

velocity

acceleration

density

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