The difference between the simple interest and the compound interest (compounded yearly)earned on a sum of money at the end of four years at the rate of 10 percent per annum is Rs.256.40. Find the sum.

a) Rs.6,000
b) Rs.4,000
c) Rs.5,000
d) Rs.4500

• answer is 4000
• 8 years agoHelpfull: Yes(2) No(1)
• SI=(P*10*4)/100= 4p/10
  CI=P(1+10/100)^4-P =4641P/100
  CI-SI=
  4641P/100-4P/100=256.40
  P=4000
• 8 years agoHelpfull: Yes(1) No(0)
• can u pls explain in another method or explain this solution clearly
• 7 years agoHelpfull: Yes(0) No(0)