Question # 1

A dice is thrown. The probability to get an odd number is;

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1

none of these

Tan (294°) =

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tan24°

-tan24°

cot24°

-cot24°

Sum of all three cube roots of unity is:

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1

-1

0

3

Rational numbers are:

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repeating decimals

terminatingdecimals

periodicdecimals

all of these

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{1, 2, 3}

{5, 6, 7}

{4}

G.M between -2i and 8i is:

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4 or -4

4i or -4i

2 or -2

none

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scalar matrix

diagonalmatrix

lower triangularmatrix

upper triangularmatrix

3^2x - 3^x - 6 = 0 is:

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reciprocal equation

exponentialequation

radicalequation

none of these

Conjugate of a- i b is:

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b + ia

-a + ib

-a - ib

a + ib

The next term of the sequence-1, 2, 12, 40, .........is:

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112

212

144

none

sin^-1 (-x) =

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-sin^-1 x

sin^-1x

π + cos^-1x

-cos^-1x

If cosec Θ > 0 and cot Θ < 0, then terminal arm of the angle lies in:

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I

II

III

IV

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The amplitude and period of 3 sin x are:

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3, π

2, 2π

3, 3π

3, 2π

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

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Conjugate of complex number (-a, -b) is:

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(-a, b)

(-a, -b)

(a, -b)

none of these

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set builder notation

tabular form

descriptive method

non-set builder method

The period of sin 2x is:

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π

2π

3π

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

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none of these

tan (-135°) =

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0

1

√2

r₁=

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