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NAT I Engineering Mathematics MCQs With Answers

Question # 1

Which of the following is solution of Tan² x = 1/3

Choose an answer

7π/6

5π/6

π/6

All

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Question # 2

The number of ways in which we can courier 5 packets to 10 cities is

Choose an answer

2 x 5^o

5¹⁰

10⁵

2¹⁰

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Question # 3

The gradient of the line joining (1,4) and (-2,5) is

Choose an answer

3/8

-2 2/3

-1/3

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Question # 4

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

Choose an answer

2√2

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Question # 5

Let A, B, and C be any sets such that A∪B=A∪C and A∩B=A∩C then

Choose an answer

A ≠ C

B = C

A = B

A ≠ B

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Question # 6

The multiplicative inverse of x such that x = 0 is

Choose an answer

-x

does not exist

1/x

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Question # 7

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 # 8

Two dice are rolled The number of possible out come in which at least one die shows 2 is?

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Question # 9

Cos 315° =

Choose an answer

0.707

0.5

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Question # 10

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 # 11

ω⁸⁸ = ?

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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