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NAT I Engineering Mathematics MCQs With Answers
Question # 1
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 # 2
Two matrices A and B are conformable for multiplication (AB) if and only if
Choose an answer
Addition
Multiplication
Division
Subtraction
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Question # 3
1+2+3+......+n=?
Choose an answer
n(n +1)/2
n +1/2
n(n +1)(2n +1)/6
n
3
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Question # 4
The center of a circle of radius 10 is on the origin which of the following points lies with in the circle
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(10,0)
(8,8)
(8,4)
(0,10)
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Question # 5
Corola available in 5 models 8 colours and 3 sizes how many Corola must a local dealer have no hand in order to have one of each kind avialable?
Choose an answer
24
120
16
39
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Question # 6
If the angle between two vectors with magnitude 8 and 2 is 60° then their scalar product is
Choose an answer
12
8
16
1
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Question # 7
Multiplicative inverse of "1" is
Choose an answer
4
3
2
1
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Question # 8
The direction cosines of y-axis are
Choose an answer
1,0,0
0,1,0
0,0,1
1,1,1
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Question # 9
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 # 10
If C
n
r
, P
n
r
= 24:1 then r = ?
Choose an answer
1
2
3
4
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Question # 11
The set { {a,b} } is
Choose an answer
{X/X∈ A∧x ∈ U}
{X/X∉ A∧x ∈ U}
{X/X∈ A and x ∉ U}
A-U
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