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NAT I Engineering Mathematics MCQs With Answers
Question # 1
AreCot √3 =?
Choose an answer
π/2
π
2π
π/6
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Question # 2
The general solution of the differential equation dy/dx = log x is
Choose an answer
Y = -x log x- x +c
Y = x log x + x
2
Y = x log x -x +c
Y= 2x log x + 2x +c
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Question # 3
Tan
-1
1/x =______
Choose an answer
Sin x
Sec
-1
X
Cot
-1
X
Sin Ix/cos- Ix
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Question # 4
If a line passes through origin then the equation of the line is
Choose an answer
y = m/x
y = mx
x = my
None
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Question # 5
The number of ways in which 5 distinct toys can be distributed among 3 children is
Choose an answer
3
5
5
3
C
5
3
P
5
3
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Question # 6
Sin
-1
x =?
Choose an answer
π/2- Sin
-1
x
π/2 -Cos
-1
x
-Sin
-1
x
-Cos
-1
x
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Question # 7
The multiplicative inverse of -1 in the set {1-,1} is
Choose an answer
40
30
50
20
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Question # 8
Two dice are rolled The number of possible out come in which at least one die shows 2 is?
Choose an answer
5
12
11
7
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Question # 9
Multiplicative inverse of "1" is
Choose an answer
4
3
2
1
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Question # 10
In 30,60,90 triangle if the smallest side is 6 than the side opposite to the angle of 60
o
is
Choose an answer
12
3
6√3
6
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Question # 11
If α and β be irrational roots of a quadratic equation, then
Choose an answer
α = b/a and β = ca
α = a/b and β = -c/a
α
2
+ β
2
= 1
α = -b/a and β= c/a
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