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NAT I General Science Mathematics MCQs With Answers

Question # 1

The set (Q, .)

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Infinite set

Singleton set

Two points set

None

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Question # 2

If f (x) = x/x²- 4 then which is not included in the domain of f(x)

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-2

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Question # 3

If α and β be irrational roots of a quadratic equation, then

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α = b/a and β = ca

α = a/b and β = -c/a

α² + β² = 1

α = -b/a and β= c/a

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Question # 4

The sum of the series 1+5+9+13+17+21+25+29 is:

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10 cm

20 cm

30 cm

40 cm

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Question # 5

The equation of the circle with center origin and radius 2√2 is

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x² + y² = 2√2

x² + y² = 8

x² - y² = 2√2

x² - y² = 8

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Question # 6

The total cost of 2 apples and 3 oranges is $1.70,which of the following is true

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The cost of one apple

The cost of one orange

Both have equal cost per item

Cost of each single item can not be determined

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Question # 7

120° degrees are equal to how many radians?

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π/3 radians

2π/3 radians

π/4 radians

π/2 radians

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Question # 8

If f₁ (x) and f₂ (x) are any two anti derivatives of a function F (x) then the value of f₁ (x) = f₂ (x)

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A variable

A constant

Undefined

Infinity

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Question # 9

Domain of Y = csc x is

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R - nπ, n ε I

R -nπ/2,nεI

All negative Integers

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Question # 10

If Cosθ =0, Then θ=

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nπ/2

(2n + 1)π/2

(2n - 1)π/2

(n ±1)π/2

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Question # 11

The range of inequality x + 2 > 4 is

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(-1,2)

(-2,2)

(1,∞)

None

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