Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 594 · 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.₹10000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹11800 (b) ₹10600 (c) ₹11200 (d) ₹1200
2. 2.The simple interest on ₹4000 for 4 years is ₹640. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 16%
3. 3.In how many years will ₹6500 earn ₹1625 simple interest at 5% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
4. 4.₹2000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹240 (b) ₹2320 (c) ₹2080 (d) ₹2240
5. 5.In how many years will ₹10000 earn ₹3600 simple interest at 9% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
6. 6.What is the simple interest on ₹7000 at 12% per year for 4 years? (a) ₹4200 (b) ₹3360 (c) ₹10360 (d) ₹840
7. 7.What is the simple interest on ₹8000 at 6% per year for 4 years? (a) ₹9920 (b) ₹480 (c) ₹2400 (d) ₹1920
8. 8.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹300 (b) ₹450 (c) ₹150 (d) ₹2800
9. 9.In how many years will ₹3000 earn ₹1320 simple interest at 11% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
10. 10.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹750 (b) ₹1125 (c) ₹375 (d) ₹8250
11. 11.In how many years will ₹3000 earn ₹180 simple interest at 2% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
12. 12.In how many years will ₹9500 earn ₹4275 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
13. 13.The simple interest on ₹1500 for 4 years is ₹360. What is the rate per year? (a) 6% (b) 5% (c) 24% (d) 7%
14. 14.What is the simple interest on ₹9000 at 2% per year for 2 years? (a) ₹9360 (b) ₹180 (c) ₹360 (d) ₹540
15. 15.The simple interest on ₹7500 for 4 years is ₹3000. What is the rate per year? (a) 9% (b) 40% (c) 10% (d) 11%
16. 16.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹210 (b) ₹3640 (c) ₹140 (d) ₹70
17. 17.₹8000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹9920 (b) ₹1920 (c) ₹8480 (d) ₹10400
18. 18.The simple interest on ₹1500 for 5 years is ₹825. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 55%
19. 19.In how many years will ₹3000 earn ₹360 simple interest at 6% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
20. 20.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹780 (b) ₹2340 (c) ₹8840 (d) ₹3120
21. 21.In how many years will ₹4000 earn ₹1280 simple interest at 8% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
22. 22.In how many years will ₹1500 earn ₹825 simple interest at 11% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
23. 23.In how many years will ₹3500 earn ₹980 simple interest at 7% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
24. 24.₹7000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹7140 (b) ₹7700 (c) ₹7560 (d) ₹560
25. 25.₹3500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹1260 (b) ₹3815 (c) ₹4760 (d) ₹5075
26. 26.What is the simple interest on ₹1500 at 3% per year for 2 years? (a) ₹90 (b) ₹45 (c) ₹135 (d) ₹1590
27. 27.What is the simple interest on ₹4500 at 12% per year for 5 years? (a) ₹540 (b) ₹7200 (c) ₹3240 (d) ₹2700
28. 28.What is the simple interest on ₹6500 at 4% per year for 2 years? (a) ₹780 (b) ₹260 (c) ₹7020 (d) ₹520
29. 29.What is the simple interest on ₹3000 at 2% per year for 5 years? (a) ₹3300 (b) ₹360 (c) ₹60 (d) ₹300
30. 30.The simple interest on ₹1000 for 5 years is ₹450. What is the rate per year? (a) 45% (b) 10% (c) 8% (d) 9%
31. 31.The simple interest on ₹8000 for 3 years is ₹720. What is the rate per year? (a) 9% (b) 4% (c) 3% (d) 2%
32. 32.The simple interest on ₹8500 for 3 years is ₹2550. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 30%
33. 33.₹6500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹7020 (b) ₹7280 (c) ₹6760 (d) ₹520
34. 34.What is the simple interest on ₹3500 at 7% per year for 2 years? (a) ₹490 (b) ₹245 (c) ₹735 (d) ₹3990
35. 35.The simple interest on ₹1500 for 4 years is ₹660. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 44%
36. 36.What is the simple interest on ₹4500 at 12% per year for 4 years? (a) ₹2160 (b) ₹540 (c) ₹6660 (d) ₹2700
37. 37.In how many years will ₹9000 earn ₹1350 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
38. 38.In how many years will ₹8000 earn ₹1600 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 5 years (d) 8 years
39. 39.What is the simple interest on ₹6500 at 9% per year for 2 years? (a) ₹7670 (b) ₹1170 (c) ₹585 (d) ₹1755
40. 40.₹6000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹9600 (b) ₹3600 (c) ₹6720 (d) ₹10320

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