Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 607 · 40 questions

How to solve it (P × R × T ÷ 100): Simple interest = P × R × T ÷ 100 (P = principal, R = rate % per year, T = years). Amount = principal + interest. Rate = SI × 100 ÷ (P × T); time = SI × 100 ÷ (P × R).

1. 1.₹2000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹2400 (b) ₹2080 (c) ₹400 (d) ₹2480
2. 2.The simple interest on ₹1000 for 2 years is ₹180. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
3. 3.₹2500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹2550 (b) ₹2650 (c) ₹100 (d) ₹2600
4. 4.In how many years will ₹2000 earn ₹700 simple interest at 7% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
5. 5.₹6500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹7085 (b) ₹6695 (c) ₹7280 (d) ₹585
6. 6.What is the simple interest on ₹9000 at 8% per year for 4 years? (a) ₹11880 (b) ₹720 (c) ₹3600 (d) ₹2880
7. 7.The simple interest on ₹8000 for 3 years is ₹1920. What is the rate per year? (a) 9% (b) 24% (c) 7% (d) 8%
8. 8.In how many years will ₹9500 earn ₹1140 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
9. 9.What is the simple interest on ₹5500 at 10% per year for 2 years? (a) ₹6600 (b) ₹550 (c) ₹1100 (d) ₹1650
10. 10.₹7000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹2800 (b) ₹7700 (c) ₹9800 (d) ₹10500
11. 11.The simple interest on ₹4500 for 3 years is ₹810. What is the rate per year? (a) 7% (b) 18% (c) 5% (d) 6%
12. 12.In how many years will ₹6500 earn ₹1950 simple interest at 10% per year? (a) 2 years (b) 6 years (c) 4 years (d) 3 years
13. 13.The simple interest on ₹7500 for 4 years is ₹1500. What is the rate per year? (a) 20% (b) 5% (c) 4% (d) 6%
14. 14.₹2500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2575 (b) ₹2875 (c) ₹300 (d) ₹2800
15. 15.The simple interest on ₹8500 for 3 years is ₹1530. What is the rate per year? (a) 18% (b) 5% (c) 7% (d) 6%
16. 16.The simple interest on ₹4500 for 4 years is ₹1620. What is the rate per year? (a) 10% (b) 36% (c) 9% (d) 8%
17. 17.In how many years will ₹2500 earn ₹500 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
18. 18.What is the simple interest on ₹6500 at 2% per year for 3 years? (a) ₹6890 (b) ₹130 (c) ₹520 (d) ₹390
19. 19.₹7000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹10150 (b) ₹7630 (c) ₹9520 (d) ₹2520
20. 20.In how many years will ₹2500 earn ₹500 simple interest at 4% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
21. 21.₹6500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹7930 (b) ₹7215 (c) ₹1430 (d) ₹8645
22. 22.What is the simple interest on ₹1500 at 9% per year for 2 years? (a) ₹270 (b) ₹1770 (c) ₹405 (d) ₹135
23. 23.What is the simple interest on ₹7500 at 4% per year for 3 years? (a) ₹8400 (b) ₹1200 (c) ₹300 (d) ₹900
24. 24.What is the simple interest on ₹6500 at 9% per year for 5 years? (a) ₹9425 (b) ₹585 (c) ₹2925 (d) ₹3510
25. 25.What is the simple interest on ₹3000 at 3% per year for 4 years? (a) ₹360 (b) ₹450 (c) ₹90 (d) ₹3360
26. 26.What is the simple interest on ₹4500 at 7% per year for 3 years? (a) ₹5445 (b) ₹1260 (c) ₹315 (d) ₹945
27. 27.What is the simple interest on ₹4500 at 4% per year for 2 years? (a) ₹180 (b) ₹4860 (c) ₹360 (d) ₹540
28. 28.The simple interest on ₹1000 for 3 years is ₹300. What is the rate per year? (a) 30% (b) 11% (c) 10% (d) 9%
29. 29.What is the simple interest on ₹2500 at 3% per year for 3 years? (a) ₹2725 (b) ₹75 (c) ₹225 (d) ₹300
30. 30.In how many years will ₹5500 earn ₹440 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
31. 31.In how many years will ₹8000 earn ₹1120 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
32. 32.The simple interest on ₹1000 for 2 years is ₹240. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 24%
33. 33.₹3500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3570 (b) ₹140 (c) ₹3710 (d) ₹3640
34. 34.₹5000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹1200 (b) ₹6800 (c) ₹6200 (d) ₹5600
35. 35.The simple interest on ₹6500 for 3 years is ₹1365. What is the rate per year? (a) 6% (b) 21% (c) 8% (d) 7%
36. 36.What is the simple interest on ₹7500 at 7% per year for 2 years? (a) ₹1575 (b) ₹1050 (c) ₹525 (d) ₹8550
37. 37.The simple interest on ₹3000 for 5 years is ₹450. What is the rate per year? (a) 2% (b) 4% (c) 3% (d) 15%
38. 38.In how many years will ₹5000 earn ₹1650 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
39. 39.₹9500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹380 (b) ₹10070 (c) ₹9880 (d) ₹9690
40. 40.What is the simple interest on ₹6000 at 3% per year for 2 years? (a) ₹360 (b) ₹6360 (c) ₹180 (d) ₹540

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