Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 563 · 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.What is the simple interest on ₹6500 at 6% per year for 2 years? (a) ₹390 (b) ₹1170 (c) ₹7280 (d) ₹780
2. 2.In how many years will ₹8500 earn ₹2380 simple interest at 7% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
3. 3.In how many years will ₹7000 earn ₹2240 simple interest at 8% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
4. 4.In how many years will ₹3000 earn ₹960 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
5. 5.In how many years will ₹10000 earn ₹600 simple interest at 2% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
6. 6.What is the simple interest on ₹5500 at 5% per year for 3 years? (a) ₹825 (b) ₹1100 (c) ₹275 (d) ₹6325
7. 7.In how many years will ₹4500 earn ₹540 simple interest at 4% per year? (a) 6 years (b) 2 years (c) 3 years (d) 4 years
8. 8.In how many years will ₹3500 earn ₹770 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
9. 9.What is the simple interest on ₹3500 at 6% per year for 5 years? (a) ₹1260 (b) ₹1050 (c) ₹210 (d) ₹4550
10. 10.What is the simple interest on ₹8500 at 2% per year for 5 years? (a) ₹1020 (b) ₹170 (c) ₹850 (d) ₹9350
11. 11.In how many years will ₹3000 earn ₹240 simple interest at 2% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
12. 12.What is the simple interest on ₹7000 at 2% per year for 2 years? (a) ₹420 (b) ₹140 (c) ₹7280 (d) ₹280
13. 13.The simple interest on ₹2000 for 2 years is ₹360. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 18%
14. 14.What is the simple interest on ₹9000 at 2% per year for 5 years? (a) ₹1080 (b) ₹9900 (c) ₹180 (d) ₹900
15. 15.₹8000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹640 (b) ₹8640 (c) ₹8960 (d) ₹8320
16. 16.The simple interest on ₹4500 for 4 years is ₹1980. What is the rate per year? (a) 12% (b) 44% (c) 11% (d) 10%
17. 17.What is the simple interest on ₹3000 at 2% per year for 4 years? (a) ₹300 (b) ₹60 (c) ₹240 (d) ₹3240
18. 18.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹900 (b) ₹150 (c) ₹8250 (d) ₹750
19. 19.What is the simple interest on ₹3000 at 11% per year for 2 years? (a) ₹330 (b) ₹990 (c) ₹660 (d) ₹3660
20. 20.In how many years will ₹9500 earn ₹570 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
21. 21.What is the simple interest on ₹5500 at 5% per year for 2 years? (a) ₹825 (b) ₹275 (c) ₹550 (d) ₹6050
22. 22.In how many years will ₹8500 earn ₹1700 simple interest at 4% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
23. 23.In how many years will ₹9000 earn ₹1080 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
24. 24.The simple interest on ₹6500 for 2 years is ₹1430. What is the rate per year? (a) 22% (b) 12% (c) 11% (d) 10%
25. 25.₹7000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹9100 (b) ₹7700 (c) ₹1400 (d) ₹8400
26. 26.The simple interest on ₹4000 for 3 years is ₹240. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 6%
27. 27.In how many years will ₹7500 earn ₹1500 simple interest at 5% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
28. 28.What is the simple interest on ₹4000 at 12% per year for 3 years? (a) ₹1440 (b) ₹480 (c) ₹5440 (d) ₹1920
29. 29.₹3000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1350 (b) ₹4620 (c) ₹4350 (d) ₹3270
30. 30.₹9000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹9360 (b) ₹720 (c) ₹10080 (d) ₹9720
31. 31.The simple interest on ₹9000 for 3 years is ₹2970. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 33%
32. 32.In how many years will ₹1500 earn ₹180 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
33. 33.The simple interest on ₹6000 for 3 years is ₹900. What is the rate per year? (a) 15% (b) 6% (c) 4% (d) 5%
34. 34.What is the simple interest on ₹1000 at 12% per year for 3 years? (a) ₹360 (b) ₹480 (c) ₹120 (d) ₹1360
35. 35.₹7000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2240 (b) ₹7560 (c) ₹9240 (d) ₹9800
36. 36.The simple interest on ₹10000 for 5 years is ₹2500. What is the rate per year? (a) 6% (b) 25% (c) 5% (d) 4%
37. 37.What is the simple interest on ₹3000 at 7% per year for 4 years? (a) ₹3840 (b) ₹210 (c) ₹1050 (d) ₹840
38. 38.In how many years will ₹2500 earn ₹900 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
39. 39.What is the simple interest on ₹9500 at 5% per year for 3 years? (a) ₹475 (b) ₹1425 (c) ₹10925 (d) ₹1900
40. 40.The simple interest on ₹3000 for 5 years is ₹1650. What is the rate per year? (a) 11% (b) 55% (c) 12% (d) 10%

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