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NAT I General Science Mathematics MCQs With Answers

Question # 1

For any set X, X∪X is

Choose an answer

15i

-15i

-15

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Question # 2

Which is not a half plane

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ax + by < c

ax + by > c

Both A and B

None

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Question # 3

If Z= (1,2). tjem Z^-1 = ?

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(0.2, 0.4)

(-0.2, 0.4)

(0.2, -0.4)

(-0.2, -0.4)

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Question # 4

The sum of the ages of Nazish and his son is 56 years. Eight years ago. Nazish was 3 time as old as his son. How old is the son now?

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m = n

m ≠ n

mn = 1

mn = 0

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Question # 5

If i,m,n are the direction cosines of a vector O̅P̅ then

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I² + m² + n² =0

I² - m² + n² =1

I² + m² + n² =1

I² + m² - n² =0

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Question # 6

∫cot (ax + b) dx =

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1/a log |sin (ax + b)| +c

1/a log |cos ax + b)

1/b |sin (ax + b)|

1/a log |sin (bx + a)|

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Question # 7

If p and r are integers P = 0, and p ≠ -r, which of the following must be true?

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p < r

p > r

p + r < 0

p - r < -0

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Question # 8

Two natural numbers whose sum is 25 and difference is 5, are

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25, 20

20, 10

20, 5

15, 10

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Question # 9

An angle of one radian is equivalent to

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90^o

60^o

67^o

57^o, 18^o

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Question # 10

How many elements are in the sample space of two rolling dies

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Question # 11

If A = (3,8) and B = (5,6) then the distance between A and B is

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2√2

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