No.6 fast tommorow exam Q.6. How long will it take a certain sum of money to triple itself at 13 1 3 % per annum simple interest? Share with your friends Share 0 Shruti Tyagi answered this Dear student, Let the Principal be PAmount after time t be 3PAmount=P+SI⇒3P=P+PRT100⇒2P=PRT100⇒2=40×t300⇒t=2×30040⇒t=1×30020⇒t=15 yearsthus, after 15 years sum of money triples itself. Regards 0 View Full Answer