Solve this: Share with your friends Share 1 Shruti Tyagi answered this Dear Student, Let the intitial sum invested=P rupeesApply Simple Interest FormulaSI=PRT100SI1=P×5×1100 Hence annual interest at 5% per annum=5P100Now the Rate of interest is 6% and sum invested is P+2000 (arun invested 2000 rupees more)New annual Interest earned=P+2000×6×1100SI2=6P+12000100Now it is given that the interest earned at 6% is 220 more than at 5%Hence6P+12000100-5P100=220⇒6P+12000-5P100=220cross multiply to get6P+12000-5P=220×100⇒P+12000=22000⇒P=22000-12000⇒P=10000Hence intitial sum invested is Rupees 10000.Option D is correct answer Regards, 0 View Full Answer