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NAT I General Science Mathematics MCQs With Answers
Question # 1
The set of all positive even integers is
Choose an answer
Φ
{1,2,3}
{Φ}
{0}
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Question # 2
ω
88
= ?
Choose an answer
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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Question # 3
If a rectangle has an area 81x
2
and length of 27x. then what is its width?
Choose an answer
3x
9x
3x
2
9x
2
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Question # 4
If k
1
: k
2
= 1:1 then the point P dividing the line is
Choose an answer
Mid point
Extreme left point
Extreme Right point
Plies out side k
1
and k
2
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Question # 5
F(x) = xx decreases in the interval
Choose an answer
(0,e)
(0.1)
(-∞.0)
None
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Question # 6
d/dx [cos x
2
] =________
Choose an answer
-2x cos x
2
-2x
2
sin x
2
x
2
sin x
-2x
2
sin x
2
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Question # 7
The nth term in G.P 3,-6,12,............ is
Choose an answer
25, 20
20, 10
20, 5
15, 10
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Question # 8
If x < y, 2x = A and 2y = B then
Choose an answer
A =B
A < B
A< X
B < y
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Question # 9
Multiplicative inverse of "1" is
Choose an answer
4
3
2
1
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Question # 10
If A and B are two events then P(A∪B) =? (when A and B are disjoint)
Choose an answer
P(A) - P(B)
P(A) x P(B)
P(A) + P(B)
P(A) + P(B) -P(A∩B)
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Question # 11
Cos
-1
(-x) =_______.
Choose an answer
π +cos
-1
x
π -sin
-1
x
π +sin
-1
x
π -cos
-1
x
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Question # 12
The line through the center and perpendicular to the transverse axis is called the
Choose an answer
Major axis
Minor axis
Focal axis
Conjugate axis
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Question # 13
If x
2
+y
2
= 4, Then dy/dx =
Choose an answer
2x +2y
4 -x
2
-x/y
y/x
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