A person lent a part of Rs.7000 at 6% p.a. and the remaining at 4% per annum. The interest he received from both the parts in 5 years was Rs.1600. The sum lent at 6% p.a. is ______.

A person lent a part of Rs.7000 at 6% p.a. and the remaining at 4% pe

1.	A person lent a part of Rs.7000 at 6% p.a. and the remaining at 4% per annum. The interest he received from both the parts in 5 years was Rs.1600. The sum lent at 6% p.a. is ______.
Answer» A person lent a part of Rs.7000 at 6 $%$ p.a. and the remaining at 4 $%$ per annum. The interest he received from both the parts in 5 years was Rs.1600. The sum lent at 6% p.a. is ______.