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8th ICSE
IMPORTANT
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When the interest is calculated yearly, the simple interest and the compound interest are same for the first year.

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Important Questions on Compound Interest

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8th ICSE
IMPORTANT
ICSE NUMBERS WIZ>Chapter 8 - Compound Interest>Chapter Assessment>Q 2
In calculating the number of days, for charging simple interest, the day on which money is borrowed as well as the day on which money is returned, both are included.
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8th ICSE
IMPORTANT
ICSE NUMBERS WIZ>Chapter 8 - Compound Interest>Chapter Assessment>Q 2
If the interest is payable half-yearly, then in the formula A=P1+r100n, we take 2r for r.
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8th ICSE
IMPORTANT
ICSE NUMBERS WIZ>Chapter 8 - Compound Interest>Chapter Assessment>Q 2
Simple interest on ₹800 for 15 months at 12% per annum is ₹144.
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8th ICSE
IMPORTANT
ICSE NUMBERS WIZ>Chapter 8 - Compound Interest>Chapter Assessment>Q 3
If the simple interest on a sum of money at 5% p.a. for 3 years is ₹1200, the compound interest for the same sum for the same period at the same rate is
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8th ICSE
IMPORTANT
ICSE NUMBERS WIZ>Chapter 8 - Compound Interest>Chapter Assessment>Q 4
If the difference between the compound interest and simple interest on a certain sum of money for 2 years at 1212% per annum is ₹150. The sum is
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8th ICSE
IMPORTANT
ICSE NUMBERS WIZ>Chapter 8 - Compound Interest>Chapter Assessment>Q 5
If the amount is 214 times the sum after 2 years at compound interest, the rate of interest per annum is 
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8th ICSE
IMPORTANT
ICSE NUMBERS WIZ>Chapter 8 - Compound Interest>Chapter Assessment>Q 6
The time in which ₹1800 amounts to ₹2178 at 10% per annum, compounded annually is
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8th ICSE
IMPORTANT
ICSE NUMBERS WIZ>Chapter 8 - Compound Interest>Chapter Assessment>Q 7
The compound interest on a certain sum at 5% p.a. for 2 years is ₹328. The simple interest on that sum at the same rate for the same period is