chapter name: simple interest 13. anwar lends a sum of money at the rate of 16% per annum and receives rs 736 as interest. if he had lent the sum for 4 years more, he would have received rs 3680 as interest. find the sum of money. Share with your friends Share 1 Manbar Singh answered this Let the principal, P = Rs xTime, T1 = y yrsRate, R = 16% p.a. I1 = Rs 736⇒PRT1100=736⇒x × 16 × y100 = 736⇒xy = 4600Now, in the second case we havePrincipal, P = Rs xTime, T2 = y+4 yrsRate, R = 16% p.aNow, I2 = 3680⇒PRT2100 = 3680⇒x × 16 × y+4100 = 3680⇒xy+4 = 23000⇒xy + 4x = 23000⇒4600 + 4x = 23000⇒4x = 18400⇒x = 184004 = 4600So, sum of money = x = Rs 4600 0 View Full Answer