Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 217 · 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 ₹1500 earn ₹675 simple interest at 9% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
2. 2.What is the simple interest on ₹3500 at 4% per year for 3 years? (a) ₹140 (b) ₹560 (c) ₹420 (d) ₹3920
3. 3.What is the simple interest on ₹3000 at 8% per year for 5 years? (a) ₹1440 (b) ₹4200 (c) ₹240 (d) ₹1200
4. 4.What is the simple interest on ₹3000 at 12% per year for 5 years? (a) ₹1800 (b) ₹4800 (c) ₹2160 (d) ₹360
5. 5.In how many years will ₹4000 earn ₹1400 simple interest at 7% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
6. 6.The simple interest on ₹3500 for 3 years is ₹1155. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 33%
7. 7.The simple interest on ₹2000 for 5 years is ₹1000. What is the rate per year? (a) 11% (b) 10% (c) 50% (d) 9%
8. 8.₹9500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9690 (b) ₹9880 (c) ₹380 (d) ₹10070
9. 9.The simple interest on ₹10000 for 5 years is ₹4000. What is the rate per year? (a) 40% (b) 7% (c) 9% (d) 8%
10. 10.What is the simple interest on ₹1000 at 11% per year for 2 years? (a) ₹110 (b) ₹1220 (c) ₹330 (d) ₹220
11. 11.What is the simple interest on ₹4500 at 10% per year for 2 years? (a) ₹1350 (b) ₹900 (c) ₹450 (d) ₹5400
12. 12.₹10000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹800 (b) ₹10800 (c) ₹11200 (d) ₹10400
13. 13.In how many years will ₹6500 earn ₹2600 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
14. 14.The simple interest on ₹2500 for 3 years is ₹825. What is the rate per year? (a) 33% (b) 11% (c) 10% (d) 12%
15. 15.The simple interest on ₹9500 for 4 years is ₹1140. What is the rate per year? (a) 12% (b) 4% (c) 2% (d) 3%
16. 16.₹6500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹7280 (b) ₹7475 (c) ₹780 (d) ₹6695
17. 17.The simple interest on ₹2500 for 5 years is ₹1125. What is the rate per year? (a) 45% (b) 9% (c) 8% (d) 10%
18. 18.The simple interest on ₹9500 for 4 years is ₹1900. What is the rate per year? (a) 5% (b) 20% (c) 6% (d) 4%
19. 19.What is the simple interest on ₹5000 at 11% per year for 4 years? (a) ₹7200 (b) ₹2200 (c) ₹550 (d) ₹2750
20. 20.What is the simple interest on ₹4500 at 2% per year for 5 years? (a) ₹4950 (b) ₹90 (c) ₹450 (d) ₹540
21. 21.What is the simple interest on ₹2500 at 7% per year for 2 years? (a) ₹2850 (b) ₹350 (c) ₹525 (d) ₹175
22. 22.What is the simple interest on ₹7000 at 6% per year for 2 years? (a) ₹840 (b) ₹1260 (c) ₹420 (d) ₹7840
23. 23.In how many years will ₹1500 earn ₹270 simple interest at 6% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
24. 24.₹2000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹480 (b) ₹2480 (c) ₹2600 (d) ₹2120
25. 25.The simple interest on ₹2500 for 5 years is ₹875. What is the rate per year? (a) 7% (b) 8% (c) 6% (d) 35%
26. 26.The simple interest on ₹7500 for 2 years is ₹1350. What is the rate per year? (a) 10% (b) 9% (c) 18% (d) 8%
27. 27.In how many years will ₹6500 earn ₹520 simple interest at 4% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
28. 28.The simple interest on ₹9000 for 3 years is ₹2160. What is the rate per year? (a) 8% (b) 9% (c) 7% (d) 24%
29. 29.In how many years will ₹8500 earn ₹510 simple interest at 2% per year? (a) 3 years (b) 6 years (c) 2 years (d) 4 years
30. 30.The simple interest on ₹6500 for 4 years is ₹1820. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 28%
31. 31.₹4500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹5175 (b) ₹450 (c) ₹4950 (d) ₹4725
32. 32.The simple interest on ₹1000 for 3 years is ₹360. What is the rate per year? (a) 36% (b) 13% (c) 12% (d) 11%
33. 33.In how many years will ₹8500 earn ₹1700 simple interest at 10% per year? (a) 3 years (b) 2 years (c) 1 year (d) 4 years
34. 34.What is the simple interest on ₹8000 at 5% per year for 5 years? (a) ₹2400 (b) ₹10000 (c) ₹2000 (d) ₹400
35. 35.In how many years will ₹5500 earn ₹660 simple interest at 6% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
36. 36.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹270 (b) ₹90 (c) ₹360 (d) ₹3270
37. 37.The simple interest on ₹6000 for 5 years is ₹1800. What is the rate per year? (a) 5% (b) 30% (c) 6% (d) 7%
38. 38.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹100 (b) ₹300 (c) ₹5200 (d) ₹200
39. 39.The simple interest on ₹1500 for 2 years is ₹90. What is the rate per year? (a) 6% (b) 4% (c) 3% (d) 2%
40. 40.₹8000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹800 (b) ₹8960 (c) ₹8800 (d) ₹8160

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