A sum of money is invested at a compound interest of 21% per annum compounded annually for 1 year. An equal sum is invested at 20% per annum compound interest compounded half yearly for 1 year. Which of the following statements is correct?
Solution
✅ Correct Option: 4
For 21% compounded annually, the amount after one year is $P(1.21)$. For 20% compounded half-yearly, the rate is 10% every six months. The amount after one year is $P(1.10)^2=P(1.21)$. Both investments give the same amount after one year.