IBPS RRB Office Assistant 26 Sep 2015 Paper

A lent some money to B at sim- ple interest at the rate of 8% per annum for a period of 3 years. He also lent same amount to B for 7 years at 14% rate of simple interest. B paid a total of Rs. 6954 as interest. Find the total of sum of mon- ey A lent to B.