A sum of money amounts to Rs.840 after 1 year and Rs.882 after 2 years.Find the rate at which the interest is paid ? Share with your friends Share 0 Shruti Tyagi answered this Dear Student, Let the principle amount be x and rate of interest r%.SI=PRT100Amount =SI+PAmount after 1 year=x+x×r×1100840=x+xr100840=100x+xr10084000=100x+xr --1amount after 2 years882=x+x×r×2100882=100x+2xr10088200=100x+2xr --2solving equation 1 and 288200-84000=xrxr=4200put this value in equation 184000=100x+4200100x=84000-4200100x=79800x=79800100x=798Hence principle amount=798 rupee.also xr=4200=4200put value of x=798798×r=4200r=4200798r=5.26%Hence rate of interest =5.26% Regards, -1 View Full Answer
