Question # 1

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

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

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21160

20160

20170

20016

The amplitude and period of 3 sin x are:

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3, π

2, 2π

3, 3π

3, 2π

For a positive integer n:

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(n+1)! = (n+1)n!

(n+1)! = (n+1)(n-1)!

n! = n(n+1)!

none of these

In circular system the angle is measured in:

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radians

degrees

degrees, minutes

degrees, seconds

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The roots of the equation:

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complex

irrational

rational

none of these

If A is a square matrix order 3 × 3 the |kA| equals:

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k |A|

k²|A|

k³ |A|

k⁴ |A|

(x + 3) (x + 4) = x2 + 7x + 12 is:

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tan (270° + Θ) is equal:

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cot Θ

tan Θ

-cot Θ

-tan Θ

The middle term in the expansion of (1+x)^1/2 is:

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T₂

T₃

does not exist

none of these

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

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none of these

Sum of all four fourth roots of unity is:

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1

0

-1

3

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cancellation property w.r.t multiplication

cancellationproperty w.r.t addition

multiplicativeproperty

additiveproperty

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Numbers are formed by using all the digits 1, 2, 3, 4, 5, 6 on digit being repeated, then the numbers which are divisible by 5 are:

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110

120

122

124

The period of cosec 3x is:

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n! stands for:

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product of first natural numbers

sum of n natural numbers

product of n integers

none of these

If triangle ABC, If ß = 90° then:

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none of these

Factors of x² + y² are:

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(x + iy) (x - iy)

(x + y) (x - y)

(x + y) (x + y)

none

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