Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 518 · 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.In how many years will ₹5500 earn ₹1375 simple interest at 5% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
2. 2.In how many years will ₹4500 earn ₹180 simple interest at 2% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
3. 3.What is the simple interest on ₹2500 at 12% per year for 2 years? (a) ₹900 (b) ₹300 (c) ₹600 (d) ₹3100
4. 4.What is the simple interest on ₹10000 at 9% per year for 2 years? (a) ₹900 (b) ₹11800 (c) ₹2700 (d) ₹1800
5. 5.The simple interest on ₹10000 for 5 years is ₹2500. What is the rate per year? (a) 25% (b) 6% (c) 5% (d) 4%
6. 6.What is the simple interest on ₹3500 at 8% per year for 2 years? (a) ₹280 (b) ₹4060 (c) ₹560 (d) ₹840
7. 7.The simple interest on ₹3500 for 3 years is ₹1260. What is the rate per year? (a) 12% (b) 13% (c) 36% (d) 11%
8. 8.What is the simple interest on ₹6000 at 7% per year for 2 years? (a) ₹1260 (b) ₹840 (c) ₹420 (d) ₹6840
9. 9.What is the simple interest on ₹8000 at 4% per year for 2 years? (a) ₹320 (b) ₹960 (c) ₹640 (d) ₹8640
10. 10.₹9500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹10830 (b) ₹10165 (c) ₹1330 (d) ₹11495
11. 11.The simple interest on ₹1500 for 4 years is ₹120. What is the rate per year? (a) 3% (b) 1% (c) 2% (d) 8%
12. 12.What is the simple interest on ₹4500 at 4% per year for 2 years? (a) ₹540 (b) ₹180 (c) ₹4860 (d) ₹360
13. 13.What is the simple interest on ₹8500 at 7% per year for 2 years? (a) ₹1190 (b) ₹595 (c) ₹9690 (d) ₹1785
14. 14.What is the simple interest on ₹3000 at 7% per year for 2 years? (a) ₹630 (b) ₹420 (c) ₹3420 (d) ₹210
15. 15.In how many years will ₹5000 earn ₹600 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
16. 16.What is the simple interest on ₹1000 at 5% per year for 4 years? (a) ₹250 (b) ₹50 (c) ₹200 (d) ₹1200
17. 17.₹9000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1350 (b) ₹10350 (c) ₹9270 (d) ₹10620
18. 18.In how many years will ₹7500 earn ₹450 simple interest at 3% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
19. 19.In how many years will ₹3000 earn ₹360 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
20. 20.₹4000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1760 (b) ₹4440 (c) ₹6200 (d) ₹5760
21. 21.The simple interest on ₹9000 for 4 years is ₹1440. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 16%
22. 22.In how many years will ₹8000 earn ₹2560 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
23. 23.₹7500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹10500 (b) ₹8250 (c) ₹11250 (d) ₹3000
24. 24.In how many years will ₹9000 earn ₹2160 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
25. 25.₹1500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2220 (b) ₹2040 (c) ₹1680 (d) ₹540
26. 26.In how many years will ₹8000 earn ₹1680 simple interest at 7% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
27. 27.₹6500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹7540 (b) ₹7280 (c) ₹780 (d) ₹6760
28. 28.What is the simple interest on ₹5000 at 2% per year for 3 years? (a) ₹5300 (b) ₹400 (c) ₹100 (d) ₹300
29. 29.The simple interest on ₹8500 for 2 years is ₹1530. What is the rate per year? (a) 10% (b) 18% (c) 8% (d) 9%
30. 30.₹7500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹8250 (b) ₹8625 (c) ₹750 (d) ₹7875
31. 31.In how many years will ₹4000 earn ₹1200 simple interest at 6% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
32. 32.₹5500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2475 (b) ₹5995 (c) ₹8470 (d) ₹7975
33. 33.₹6500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1040 (b) ₹6760 (c) ₹7800 (d) ₹7540
34. 34.₹3000 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹3960 (b) ₹4200 (c) ₹960 (d) ₹3240
35. 35.In how many years will ₹6000 earn ₹720 simple interest at 4% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
36. 36.What is the simple interest on ₹8500 at 11% per year for 2 years? (a) ₹1870 (b) ₹2805 (c) ₹935 (d) ₹10370
37. 37.What is the simple interest on ₹1000 at 3% per year for 4 years? (a) ₹30 (b) ₹1120 (c) ₹120 (d) ₹150
38. 38.₹3000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹3090 (b) ₹3270 (c) ₹270 (d) ₹3360
39. 39.In how many years will ₹2000 earn ₹660 simple interest at 11% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
40. 40.In how many years will ₹4500 earn ₹810 simple interest at 6% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years

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