D. None of these
Nikhilesh invested certain amount in three different schemes A, B and C with the rate of interest 10 p.c.p.a., 12 p.c.p.a. and 15 p.c.p.a.. respectively. If the total interest accrued in one year was ? 3200 and the amount invested in scheme C was 150% of the amount invested in scheme A and 240% of the amount Invested in scheme B, what was the amount invested in scheme B?