Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 599 · 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.₹7500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹8700 (b) ₹8400 (c) ₹7800 (d) ₹900
2. 2.In how many years will ₹7000 earn ₹1050 simple interest at 3% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
3. 3.In how many years will ₹9000 earn ₹1800 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
4. 4.The simple interest on ₹9500 for 3 years is ₹855. What is the rate per year? (a) 2% (b) 3% (c) 9% (d) 4%
5. 5.₹5500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹7150 (b) ₹6875 (c) ₹1375 (d) ₹5775
6. 6.What is the simple interest on ₹10000 at 6% per year for 4 years? (a) ₹600 (b) ₹3000 (c) ₹2400 (d) ₹12400
7. 7.₹2000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹2180 (b) ₹2060 (c) ₹2120 (d) ₹120
8. 8.₹2500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3000 (b) ₹2750 (c) ₹500 (d) ₹3250
9. 9.In how many years will ₹2500 earn ₹750 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
10. 10.What is the simple interest on ₹2500 at 10% per year for 2 years? (a) ₹3000 (b) ₹750 (c) ₹500 (d) ₹250
11. 11.The simple interest on ₹9500 for 4 years is ₹1900. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 20%
12. 12.₹8500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹10625 (b) ₹2125 (c) ₹8925 (d) ₹11050
13. 13.What is the simple interest on ₹4500 at 10% per year for 2 years? (a) ₹900 (b) ₹5400 (c) ₹450 (d) ₹1350
14. 14.₹1500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹1875 (b) ₹1800 (c) ₹300 (d) ₹1575
15. 15.In how many years will ₹1000 earn ₹240 simple interest at 6% per year? (a) 5 years (b) 3 years (c) 8 years (d) 4 years
16. 16.The simple interest on ₹2000 for 4 years is ₹640. What is the rate per year? (a) 9% (b) 32% (c) 7% (d) 8%
17. 17.What is the simple interest on ₹5000 at 2% per year for 4 years? (a) ₹500 (b) ₹100 (c) ₹5400 (d) ₹400
18. 18.In how many years will ₹5500 earn ₹990 simple interest at 9% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
19. 19.What is the simple interest on ₹4500 at 8% per year for 5 years? (a) ₹360 (b) ₹1800 (c) ₹2160 (d) ₹6300
20. 20.What is the simple interest on ₹6500 at 8% per year for 3 years? (a) ₹8060 (b) ₹2080 (c) ₹1560 (d) ₹520
21. 21.What is the simple interest on ₹1500 at 7% per year for 3 years? (a) ₹105 (b) ₹420 (c) ₹1815 (d) ₹315
22. 22.In how many years will ₹10000 earn ₹6000 simple interest at 12% per year? (a) 5 years (b) 6 years (c) 4 years (d) 10 years
23. 23.₹4000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹960 (b) ₹4240 (c) ₹5200 (d) ₹4960
24. 24.The simple interest on ₹3000 for 4 years is ₹480. What is the rate per year? (a) 16% (b) 3% (c) 4% (d) 5%
25. 25.The simple interest on ₹7000 for 5 years is ₹1050. What is the rate per year? (a) 15% (b) 3% (c) 4% (d) 2%
26. 26.In how many years will ₹8000 earn ₹2160 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
27. 27.In how many years will ₹3500 earn ₹490 simple interest at 7% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
28. 28.What is the simple interest on ₹10000 at 4% per year for 5 years? (a) ₹400 (b) ₹2400 (c) ₹12000 (d) ₹2000
29. 29.The simple interest on ₹7500 for 3 years is ₹900. What is the rate per year? (a) 12% (b) 4% (c) 5% (d) 3%
30. 30.The simple interest on ₹1000 for 2 years is ₹80. What is the rate per year? (a) 4% (b) 8% (c) 5% (d) 3%
31. 31.The simple interest on ₹2000 for 5 years is ₹900. What is the rate per year? (a) 10% (b) 9% (c) 45% (d) 8%
32. 32.₹1000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹1450 (b) ₹1090 (c) ₹1540 (d) ₹450
33. 33.The simple interest on ₹4000 for 3 years is ₹240. What is the rate per year? (a) 6% (b) 3% (c) 1% (d) 2%
34. 34.What is the simple interest on ₹2500 at 6% per year for 3 years? (a) ₹2950 (b) ₹450 (c) ₹600 (d) ₹150
35. 35.₹1500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1740 (b) ₹240 (c) ₹1800 (d) ₹1560
36. 36.₹6500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹6760 (b) ₹780 (c) ₹7280 (d) ₹7540
37. 37.₹9500 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹10450 (b) ₹10640 (c) ₹9690 (d) ₹950
38. 38.In how many years will ₹4000 earn ₹240 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
39. 39.₹8500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹9690 (b) ₹1190 (c) ₹9095 (d) ₹10285
40. 40.₹9500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹10070 (b) ₹9880 (c) ₹9690 (d) ₹380

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