34 years

37 years

45 years

47 years

**In what time will Rs. 1000 become Rs. 1331 at 10% per annum compounded annually?****Find the compound interest on Rs. 10,000 in 2 years at 4% per annum, the interest being cmpounded half-yearly.****A sum of money amounts to rs.6690 after 3 years and to rs.10,035 after 6 years on compound interest.…****Find compound interest on Rs. 7500 at 4% per annum for 2 years, compounded annually.****Find the compound interest on Rs. 16,000 at 20% per annum for 9 months, Compounded quarterly. …****a certain sum amounts to rs.7350 in 2 years and to rs.8575 in 3 years.find the sum and rate ercent.****A sum of money doubles itself at compound interest in 15 years.in how many years will it become eight…****If the simple interest on a sum of money at 5% per annum for 3 years is Rs. 1200, find the compound…****If Rs. 500 amounts to Rs. 583.20 in two years compounded annually, find the rate of interest per annum.****10. The difference between the compound interest and the simple interest accrued on an amount of Rs.…****The difference between the compound interest and simple interest on a certain sum at 10% per annum for…****If the compound interest on a certain sum at 16 (2/3)% to 3 years is Rs.1270, find the simple interest…****Find compound interest on Rs. 8000 at 15% per annum for 2 years 4 months, compounded annually.**