IBPS SO Prelims Exam Model Paper 2

Prashant invested Rs. 25, 000 for 2 years in bank A which offers 20% p.a. compound interest compounded annually. He also invested the same amount of money in bank B for the same time at a certain rate of simple interest. Interest received by him from bank A is twice of that received from bank B. Find the rate of interest offered by bank B?