**Find the simple interest on Rs. 3000 at $6\frac{1}{4}$% per annum for the period from**

**4th Feb., 2005 to 18th April, 2005.**

37.50

37

38

23.40

**A sum of Rs. 800 amounts to Rs. 920 in 8 years at simple interest. Interest rate is increased by 8%,…****Find the simple interest on Rs. 68,000 at 1623% per annum for 9 months.****Find the simple interest on Rs. 3000 at 614% per annum for the period from4th Feb., 2005 to 18th April,…****A sum at simple interests at 13 ½ % per annum amounts to Rs.2502.50 after 4 years find the sum.****A man borrowed some money at the rate of 6% p.a. for the first two years, at the rate of 9% p.a. for…**