The difference between simple and compound interests on a certain sum for 2 years at 4% per annum is Rs.50. The sum is

a) Rs.20,400
b) Rs.25,000
c) Rs.31,250
d) Rs.38,000

• ANS (C)
  difference b/w 2yr CI and SI is given by PR^2 ..
  
  PR^2= 50
  P*R/100*R/100=50
  P*4/100*4/100 =50
  P=(50*100*100)/4*4
  P= 31,250
• 8 years agoHelpfull: Yes(2) No(1)