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NAT I Engineering Mathematics MCQs With Answers

Question # 1

Ab > 0 and a > 0 then

Choose an answer

a > b

a < b

a = b

None

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Question # 2

There are 30 Red balls and 25 Green balls in a bag of a ball is drawn from the bag randomly what is the probability that a Blue ball comes out?

Choose an answer

0.5

None

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Question # 3

The two consecutive positive integers whose product is 56 are

Choose an answer

7, 8

14, 4

28, 2

56, 1

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Question # 4

d/dx (√x) =

Choose an answer

2√x

1/√x

1/2√x

None of these

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Question # 5

If A and B are matrices such that AB=BA=I then

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 # 6

The multiplicative inverse of -1 in the set {1-,1} is

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Question # 7

The set (Q, .)

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Infinite set

Singleton set

Two points set

None

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Question # 8

If P(E) is the probability that can event will occur then P(E)=

Choose an answer

0.5

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Question # 9

The end points of the major axis of the ellipse are called its

Choose an answer

foci

Vertices

Co-vertices

eccentricity

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Question # 10

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 # 11

∫1/ax +b dx =

Choose an answer

1/a log |ax + b| +c

Log |ax + b| +c

1/b log |ax +b| +c

1/x log |ax + b| +c

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