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IMPORTANT
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A sum of money placed at compound interest doubles itself in 3 years. In how many years will it amount to 8 times itself?

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Important Questions on Interest

MEDIUM
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 10 - Interest>Level of Difficulty>Q 41
If the compound interest on a certain sum for 2 years is ₹21, what could be the simple interest?
MEDIUM
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 10 - Interest>Level of Difficulty>Q 42
Divide ₹6000 into two parts so that simple interest on the first part for 2 years at 6% per annum may be equal to the simple interest on the second part for 3 years at 8% per annum.
HARD
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 10 - Interest>Level of Difficulty>Q 43
Divide ₹3903 between Amar and Akbar such that Amar's share at the end of 7 years is equal to Akbar's share at the end of 9 years at 4% per annum rate of compound interest.
MEDIUM
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 10 - Interest>Level of Difficulty>Q 44
A sum of money becomes 74 of itself in 6 years at a certain rate of simple interest. Find the rate of interest.
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CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 10 - Interest>Level of Difficulty>Q 45
Sanjay borrowed ₹900 at 4% per annum and ₹1100 at 5% per annum for the same duration. He had to pay ₹364 in all as interest. What is the time period in years?
MEDIUM
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 10 - Interest>Level of Difficulty>Q 46
If the difference between compound and simple interest on a certain sum of money for 3 years at 2% per annum is ₹604, what is the sum?
MEDIUM
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 10 - Interest>Level of Difficulty>Q 47
If a certain sum of money becomes double at simple interest in 12 years, what would be the rate of interest per annum?
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CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 10 - Interest>Level of Difficulty>Q 48
Three persons, Amar, Akbar and Anthony invested different amounts in a fixed deposit scheme for one year at the rate of 12% per annum and earned a total interest of ₹3240 at the end of the year. If the amount invested by Akbar is ₹5000 more than the amount invested by Amar and the amount invested by Anthony is ₹2000 more than the amount invested by Akbar, what is the amount invested by Akbar?