IBPS RRB Office Assistant 23 Sep 2017 Paper

A total of Rs. 800 was invested in two schemes- A and B- for 2 years each. Schemes A and B offer compound interest at the rate of 10% p.a. and 20% p.a. respectively, both compounded annually. If the total interest earned from both schemes together was Rs. 260, what was the sum invested in scheme B ?