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NAT I General Science Mathematics MCQs With Answers

Question # 1

The value of the polynomial 3x³ + 4x² - 5x + 4 at x = -1 is

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A² + B²

A² + B²+ 2AB

A + B

A² + B² + AB+BA

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Question # 2

For which of the following ordered pairs (s,t) is s + t> and s- t < -3?

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(3,2)

(2,3)

(1,8)

(0,3)

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Question # 3

The set {1, -1, i, -i}, form a group under

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addition

multiplication

subtraction

None

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Question # 4

Sin^-1 √3/2 =?

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2π/3

π/2

π/3

v/5

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Question # 5

If y = sin(ax + b) then fourth derivative of y with respect to x=

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a⁴ cos (ax + b)

a⁴ sin (ax + b)

-a⁴ sin(ax +b)

a4 tan (ax + b)

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Question # 6

The general solution of the differential equation dy/dx = log x is

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Y = -x log x- x +c

Y = x log x + x²

Y = x log x -x +c

Y= 2x log x + 2x +c

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Question # 7

The complement of set A relative to universal set U is the set

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Universal set

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Question # 8

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 # 9

Graph of the equation X² + y² = 4 is

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a circle

an ellipse

a parabola

A square

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Question # 10

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 # 11

The fifth term of the sequence a_n = 3n - 2 is

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-3

-13

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