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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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ΔABC is right angled at B. BD is an altitude. AD = 9 cm and DC = 16 cm. What is the value of BD (in cm)?

A) 6	B) 18
C) 21	D) 12

A) 6

B) 18

C) 21

D) 12

Answer & Explanation Answer: D) 12

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

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The length of a string is 8 feet and 9 inches, which is divided into 3 equal parts. What is the length of each part in inches?

A) 31	B) 33
C) 35	D) 37

A) 31

B) 33

C) 35

D) 37

Answer & Explanation Answer: C) 35

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

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In these tests find the Odd figure out

A) a	B) b
C) c	D) d

A) a

B) b

C) c

D) d

Answer & Explanation Answer: D) d

Explanation:

In all the squares, the direction of open face of all inner one is in different direction. But in option D there is 2 open face that faces the same direction i.e. south direction

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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If $x = \sqrt{\frac{2 + \sqrt{3}}{2 - \sqrt{3}}}$ , then what is the value of $x^{2} + x - 9$ ?

A) 0	B) 3√2
C) 3√3	D) 5√3

A) 0

B) 3√2

C) 3√3

D) 5√3

Answer & Explanation Answer: D) 5√3

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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If x = 1/(√2+1) then the value of $x^{2} + 2 x - 1$ is

A) 2√2	B) 4
C) 0	D) 2

A) 2√2

B) 4

C) 0

D) 2

Answer & Explanation Answer: C) 0

Explanation:

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Filed Under: Simplification
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At what rate of compound interest per annum will a sum of Rs 20000 become Rs 25088 in 2 years?

A) 24 percent	B) 8 percent
C) 12 percent	D) 16 percent

A) 24 percent

B) 8 percent

C) 12 percent

D) 16 percent

Answer & Explanation Answer: C) 12 percent

Explanation:

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Filed Under: Compound Interest
Exam Prep: Bank Exams

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The height and the slant height of a right circular cone are 24 cm and 25 cm, respectively. Considering π as 22/7 , find the curved surface area of the said cone.