Question # 1

The amplitude and period of 3 sin x are:

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3, π

2, 2π

3, 3π

3, 2π

The domain of principal sine function is:

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What is the next term in the sequence 10, 7, 4, 1...........?

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2

-2

-3

none of these

The domain of principal cosine function is:

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If each element of a 3 × 3 matrix A is multiplied by 3, then the determinant of the resulting matrix is:

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|A|³

27|A|

3|A|

9|A|

If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the quotient P(x) + Q(x) will produce a polynomial of degree:

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m . n, plus a quotient

m - n, plus a remainder

m ÷ n, plus a factor

m + n, plus a remainder

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{1, 2, 3}

{5, 6, 7}

{4}

The roots of the equation 25x² - 30x + 9 = 0 are;

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rational

irrational

equal

complex

If two rows (or two columns) in a square matrix are identical (i.e. corresponding elements are equal), the value of the determinant is:

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0

1

-1

±1

If sin α < 0 and cos α > 0, then α lies in:

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I

II

III

IV

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In any triangle ABC, law of tangents is:

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all of these

If a_n-3 = 2n - 5 then a_n =

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2n-1

2n+1

2n+3

none

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x = 0

y = 0

x = 0 and y = 0

x = 0 or y = 0

Which trigonometric equation has secondary solution ?

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sin Θ = 1

cos Θ = 1

sec Θ = 0

tan Θ = 1

No. of arrangements of the letters of the word PAKISTAN can be made, taken all together ?

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21160

20160

20170

20016

Which one is a quadrant angle ?

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60°

180°

120°

30°

sin (α + ß) =

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A set can be described by:

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one way

two ways

several ways

threeways

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