RBI Assistant Prelims 2015 Sitting 1 Paper

Shyama invested Rs. P for 2 years in scheme A which offered 11% per annum simple interest. She also invested Rs (600 + P) in scheme B which offered 20% compound interest (compounded annually), for 2 years. If the amount received from scheme A was less than that received from scheme B, by Rs. 1216, what is the value of P ?