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NAT I Engineering Mathematics MCQs With Answers

Question # 1

If a line passes through origin then the equation of the line is

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y = m/x

y = mx

x = my

None

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Question # 2

The sum of the ages of Nazish and his son is 56 years. Eight years ago. Nazish was 3 time as old as his son. How old is the son now?

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m = n

m ≠ n

mn = 1

mn = 0

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Question # 3

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

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2√2

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Question # 4

If the sum of the roots of (a + 1)x² + (2a + 3)x + (3a + 4) = 0 is -1, then product of the roots is

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Commutative law w.r.t multiplication

Associative law w.r.t addition

Distributive law w.r.t addition

Multiplication of a scalar with the matrix

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Question # 5

Which of the following is the solution of Cot²x = 1/√3

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π/5

π/3

π/7

π/9

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Question # 6

The average of first 100 integers is=

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50 1/2

25 1/4

100

5050

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Question # 7

If the order of A is n x m. Then order of kA is

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Forms a group

Does not form a group

Contains no additive identity

Contains no additive inverse

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Question # 8

If k₁ : k₂ = 1:1 then the point P dividing the line is

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Mid point

Extreme left point

Extreme Right point

Plies out side k₁ and k₂

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Question # 9

How many different arrangements of the letters in the word QABABA are Possible?

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720

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Question # 10

The circle (x -2)² + (y + 3)² =4 is not concentric with the circle

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(x -2)² + (y + 3)² =9

(x +2)² + (y - 3)² =4

(x -2)² + (y + 3)² =8

(x -2)² + (y + 3)² =5

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Question # 11

∫1/ax +b dx =

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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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