Compound Interest

Quantitative Aptitude Questions and Answers section on “Compound Interest” with solution and explanation for competitive examinations such as CAT, MBA, SSC, Bank PO, Bank Clerical and other examinations.

In what time 8000 Rs. will amount to 9261 Rs. at 10% per annum compound interest, when the interest is compounded half yearly?

In what time 8000 Rs. will amount to 9261 Rs. at 10% per annum compound interest, when the interest is compounded half yearly? [A]1.5 years [B]2 years [C]2.5 years [D]3.5 years Show Answer 1.5 years Interest is compounded half yearly. ∴ Rate of interest = 5% Hence option [A] is correct answer.

A sum of 8000 Rs. will amount to 8820 Rs. in 2 years if the interest is calculated every year. The rate of compound interest is :

A sum of 8000 Rs. will amount to 8820 Rs. in 2 years if the interest is calculated every year. The rate of compound interest is : [A]3% [B]5% [C]6% [D]7% Show Answer 5% If the rate of CI be r% per annum, then Hence option [B] is correct answer.

The time in which 80000 Rs. Amounts to 92610 Rs. At 10% per annum compound interest, interest being compounded semi annually is :

The time in which 80000 Rs. Amounts to 92610 Rs. At 10% per annum compound interest, interest being compounded semi annually is : [A]1.5 years [B]2 years [C]2.5 years [D]3 years Show Answer 1.5 years Time = t half year and R = 5% per half year ∴ T = 3 half years or years ..

The compound interest on 5000 Rs. for 3 years at 10% per annum will amount to :

The compound interest on 5000 Rs. for 3 years at 10% per annum will amount to : [A]1565 Rs. [B]1600 Rs. [C]1654 Rs. [D]1655 Rs. Show Answer 1655 Rs. Hence option [D] is correct answer.

In how many years will a sum of money 800 Rs. at 10% per annum compound interest, compounded semi annually becomes 926.10 Rs.?

In how many years will a sum of money 800 Rs. at 10% per annum compound interest, compounded semi annually becomes 926.10 Rs.? [A] [B] [C] [D] Show Answer Rate = 10% per annum = 5% half yearly Hence option [B] is correct answer.

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