# Compound Interest

# 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.