Quantitative Aptitude - Arithmetic Ability Questions

Q:

The compound interest earned in two years at 15% per annum is Rs 20640. What is the sum invested (in Rs)?

A) 64000 B) 60000
C) 56000 D) 52000
 
Answer & Explanation Answer: A) 64000

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Filed Under: Compound Interest
Exam Prep: Bank Exams

3 1805
Q:

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 1,800, and Rs 1,926 respectively, what is the rate of interest?

A) 7.5% B) 7%
C) 6% D) 6.5%
 
Answer & Explanation Answer: B) 7%

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Filed Under: Compound Interest
Exam Prep: Bank Exams

2 1805
Q:

The price of an article is discounted by 25%, to restore to its original value, the new price must be increased by

A) 57 percent B) 36.31 percent
C) 71.25 percent D) 33.33 percent
 
Answer & Explanation Answer: D) 33.33 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

2 1805
Q:

If cosAcotA/(1 -­ sinA) = x, then the value of x is

A) 1 -­ cosecA B) 1 + cosecA
C) 1 + secA D) 1 -­ secA
 
Answer & Explanation Answer: B) 1 + cosecA

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In a bag the ratio of red balls to green balls is 4 : 9. If 6 more green balls were added to the bag, the ratio of red balls to green balls would become 1 : 3. How many red balls are there in the bag?

A) 9 B) 10
C) 8 D) 12
 
Answer & Explanation Answer: C) 8

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

2 1805
Q:

If the population of a town increases by 25% in the first year and increases by 36% in the second year, then what is the average rate (in percentage)of increase in the population?

 

A) 26 B) 30.5
C) 31.66 D) 35
 
Answer & Explanation Answer: D) 35

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Filed Under: Percentage
Exam Prep: Bank Exams

0 1804
Q:

If 5/2 - (6/5)(x - 15/2) = -x/5, then what is the value of x?

A) -23/2 B) 13/2
C) -13/2 D) 23/2
 
Answer & Explanation Answer: D) 23/2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The average age of 19 boys in a class is 21 years. If the teacher's age is included, the average increases to 22 years. What is the teacher's age?

A) 39 years B) 41 years
C) 40 years D) 44 years
 
Answer & Explanation Answer: B) 41 years

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

0 1804