Question

vasudevan invested rs 60,000 at an interest rate of 12 percent per annum compounded half yearly. what amount would he get a)after 6 months b)after 1 year​

Answer 1

let us assume that the number of coins of 1 rupee are x

therefore coins of 50 paisa are 3x

amount of 1 rupee coin = 1×x=100x paisa

amount of 50 paisa coins=50×3x=150 paisa

100x+150x=4500

250x=4500

x=18

hope it helps you