Quantitative Aptitude - Arithmetic Ability Questions

Q:

If (4/5)A = 3B = (2/3)C, then what is A : B : C?

A) 12 : 3 : 16 B) 12 : 45 : 10
C) 15 : 4 : 18 D) 9 : 12 : 16
 
Answer & Explanation Answer: C) 15 : 4 : 18

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams , CAT

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Q:

A can do a work in 15 days and B in 20 days. If they work on it together for 5 days, then what fraction of work is left?

A) 2/9 B) 3/10
C) 5/12 D) 1/4
 
Answer & Explanation Answer: C) 5/12

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

A bus travels 720 km in 20 hours. Calculate its average speed in meters/second.

A) 12 B) 15
C) 18 D) 10
 
Answer & Explanation Answer: D) 10

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

The sum of the ages of father and son at present is 33. Two years ago the product of their ages was 28. What is the age of the father and the son?

A) 26, 7 B) 30, 3
C) 29, 4 D) 32, 1
 
Answer & Explanation Answer: B) 30, 3

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

The number whose square is equal to the difference of the squares of 37 and 23 is:-

A) 45.09 B) 28.98
C) 47.09 D) 28
 
Answer & Explanation Answer: B) 28.98

Explanation:

372  232 =840 Required number =840 = 28.98

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If 3n = 2187, then the value of n is:

A) 13 B) 14
C) 15 D) 16
 
Answer & Explanation Answer: B) 14

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If the shopkeeper sells an item at Rs 4400 which is marked as Rs 5000, then what is the discount that he is offering?

A) 20% B) 12%
C) 15% D) 10%
 
Answer & Explanation Answer: B) 12%

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

At 22% discount the selling price of a refrigerator is Rs 26000, what is the selling price if the discount is 40%?

A) Rs 12000 B) Rs 14640
C) Rs 21840 D) Rs 20000
 
Answer & Explanation Answer: D) Rs 20000

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Filed Under: Percentage

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