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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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If $x = 2 + \sqrt{3},$ then the value of $\frac{x^{2} - x + 1}{x^{2} + x + 1}$ is

A) 2/3	B) 3/4
C) 4/5	D) 3/5

A) 2/3

B) 3/4

C) 4/5

D) 3/5

Answer & Explanation Answer: D) 3/5

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Filed Under: Simplification
Exam Prep: Bank Exams

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What is the simplified value of $\sqrt{12} - \frac{1}{\sqrt{3}}$ ?

A) 5√3	B) 5/√3
C) 3√5	D) 3/√5

A) 5√3

B) 5/√3

C) 3√5

D) 3/√5

Answer & Explanation Answer: B) 5/√3

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If ax + by = 1 and $bx + ay = \frac{2 ab}{a^{2} + b^{2}}$ then $(x^{2} + y^{2}) (a^{2} + b^{2})$ is equal to

A) 1	B) 2
C) 0.5	D) 0

A) 1

B) 2

C) 0.5

D) 0

Answer & Explanation Answer: A) 1

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Select the odd number from the given alternatives.

A) 43	B) 22
C) 13	D) 41

A) 43

B) 22

C) 13

D) 41

Answer & Explanation Answer: B) 22

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If the shopkeeper sells an item at Rs 1600 which is marked as Rs 2000, then what is the discount he is offering?

A) 25 percent	B) 20 percent
C) 30 percent	D) 10 percent

A) 25 percent

B) 20 percent

C) 30 percent

D) 10 percent

Answer & Explanation Answer: B) 20 percent

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Filed Under: Percentage
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What is the value of sec -2π/3 ?

A) -2	B) 2
C) 2/√3	D) -2/√3

A) -2

B) 2

C) 2/√3

D) -2/√3

Answer & Explanation Answer: A) -2

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Filed Under: Simplification
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If (36 - 16x) - (4x - 8) = 4, then the value of x is

A) 4	B) 2
C) 6	D) 3

A) 4

B) 2

C) 6

D) 3

Answer & Explanation Answer: B) 2

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Point A divides segment BC in the ratio 4:1. Co-ordinates of B are (6 , 1) and C are (7/2 , 6). What are the co-ordinates of point A?

A) (4 , 3)	B) (4 , 5)
C) (2 , 5)	D) (3 , 5)

A) (4 , 3)

B) (4 , 5)

C) (2 , 5)

D) (3 , 5)

Answer & Explanation Answer: B) (4 , 5)

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