Question # 1

Roots of the equation x²- x = 2 are

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{2, -1}

{1, 0}

{2, 1}

{-2, 1}

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How many necklaces can be made from 6 beads of different colours?

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120

60

24

15

If c = 2i+j+k and d= -1 + 4j +2k, then [c-d]=

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√7

√41

√19

√(2&7)

sin (2π-θ)

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cosθ

sinθ

tanθ

-sinθ

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One-one but not onto

One-one and onto

Onto but not one-one

Neither one-one nor onto

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r + 3 >5 then which is true

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r + 2 > 4

r + 2 < 4

r + 2 = 4

None

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The graph of y> 0 is the upper - half of:

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y-axis

x-axis

1st and 4th quandrant

2nd and 3rd quadrant

What is the conjugate of -7 -2i ?

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-7 + 2i

7 + 2i

7-2i

√53

If Cⁿ_r, Pⁿ_r = 24:1 then r = ?

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1

2

3

4

How many different arrangements of the letters in the word QABABA are Possible?

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720

40

60

30

2/(x+1)(x-1) = A/x+1 + B/x-1 corresponds to

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α = b/a and β = ca

α = a/b and β = -c/a

α² + β² = 1

α = -b/a and β= c/a

Every prime number is also

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Rational number

even number

Irrational number

multiple of two numbers

If x lies in {0, 2π} and Cosec x = 2 then x =

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π/ 6 and 5π/6

π +2nπ

nπ

2π/3 and π/3

A die is thrown what is the probability that there is a prime number on the top?

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1/2

1/3

1/6

2/3

The principal value of sin^-1 [√3/2] is

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π/3

-π/3

2π/3

5π/3

For which of the following ordered pairs (s,t) is s + t> and s- t < -3?

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(3,2)

(2,3)

(1,8)

(0,3)

Which of the following is the solution of Cot²x = 1/√3

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π/5

π/3

π/7

π/9

ω⁸⁸ = ?

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A and B are multiplicative inverse of each other

A and B are additive inverses of each other

A and B are singular matrices

A and B are equal

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