Quantitative Aptitude - Arithmetic Ability Questions

Q:

If √x ­- √y = 1 , √x + √y = 17 then √xy = ?

A) √72 B) 72
C) 32 D) 24
 
Answer & Explanation Answer: B) 72

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Two students appeared for an examination. One of them secured 9 marks more than the other and his marks were 56% of the sum of their marks. The marks obtained by them are

A) 40 and 31 B) 72 and 63
C) 42 and 33 D) 68 and 59
 
Answer & Explanation Answer: C) 42 and 33

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Divide 20 into two parts such that the sum of the square of the parts is 232. What is the value of the two parts?

A) 6, 14 B) 8, 12
C) 4, 16 D) 10, 10
 
Answer & Explanation Answer: A) 6, 14

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Filed Under: Numbers
Exam Prep: Bank Exams , CAT

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Q:

What is the perimeter of the sector whose central angle is 60° and radius of the circle is 21 cm?

A) 128 cm B) 96 cm
C) 64 cm D) 32 cm
 
Answer & Explanation Answer: C) 64 cm

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Working 10 hours a day, Aman can complete a piece of work in 18 days. How many hours a day should he work so as to finish the work in 15 days?

A) 10 B) 12
C) 16 D) 18
 
Answer & Explanation Answer: B) 12

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

If y=2secθ and x=3tanθ then x29-y24 is

A) 0 B) -1
C) 2 D) 1
 
Answer & Explanation Answer: B) -1

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Q:

Two fractions are such that their product is ­4 and sum is ­32/15. Find the two fractions.

A) 6/15, ­-10/3 B) 6/5, ­-10/3
C) 7/2, ­-8/7 D) -10/7, 14/5
 
Answer & Explanation Answer: A) 6/15, ­-10/3

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

A mason can build a wall in 18 hours. After 9 hours he takes a break. What fraction of the wall is yet to be built?

A) 0.9 B) 0.25
C) 0.5 D) 0.2
 
Answer & Explanation Answer: C) 0.5

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Filed Under: Time and Work
Exam Prep: Bank Exams

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