Quantitative Aptitude - Arithmetic Ability Questions

Q:

The simple interest on a sum for 5 years is Rs 16800. The rate of interest for the first 3 years is 8% per annum and for the next 2 years is 12% per annum. What is the value (in Rs) of sum?

A) 30000 B) 38000
C) 32000 D) 35000
 
Answer & Explanation Answer: D) 35000

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

The average of 21 numbers is 12. The average of the first 11 numbers is 9 and the average of the last 11 numbers is 15. What is the value of the middle number?

A) 10 B) 11
C) 12 D) 13
 
Answer & Explanation Answer: C) 12

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

What is the average of all numbers between 8 and 74 which are divisible by 7?

A) 40 B) 41
C) 42 D) 43
 
Answer & Explanation Answer: C) 42

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

P and Q can do a project in 20 and 12 days respectively. In how many days can they complete 40% of the project if they work together?

A) 1.5 days B) 3 days
C) 6 days D) 9 days
 
Answer & Explanation Answer: C) 6 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

A can do a work in 16 days and B in 20 days. If they work on it together for 8 days, then what fraction of work is left?

A) 1/3 B) 1/6
C) 2/9 D) 1/10
 
Answer & Explanation Answer: D) 1/10

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Filed Under: Time and Work
Exam Prep: Bank Exams , CAT

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Q:

A trader buys 500 kgs of cotton for Rs 9,000. 10% of this cotton is spoiled due to rain. At what rate (Rs/Kg) should he sell the rest to earn 10% profit?

A) 25 B) 30
C) 22 D) 20
 
Answer & Explanation Answer: C) 22

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

The price of an article is cut by 9%, to restore to its original value, the new price must be increased by

A) 9 percent B) 8.83 percent
C) 9.89 percent D) 6.25 percent
 
Answer & Explanation Answer: C) 9.89 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If a sum of money deposited in a bank at simple interest is doubled in 6 years, then after 12 years, the amount will be

A) 5/2times the original amount B) 3times the original amount
C) 7/2times the original amount D) 4times the original amount
 
Answer & Explanation Answer: B) 3times the original amount

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Filed Under: Simplification
Exam Prep: Bank Exams

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