Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 182 · 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 ₹2000 earn ₹900 simple interest at 9% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
2. 2.₹3000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹3540 (b) ₹3360 (c) ₹3180 (d) ₹360
3. 3.What is the simple interest on ₹5500 at 8% per year for 4 years? (a) ₹7260 (b) ₹440 (c) ₹2200 (d) ₹1760
4. 4.₹6000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹7800 (c) ₹7500 (d) ₹6300
5. 5.In how many years will ₹5000 earn ₹400 simple interest at 4% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
6. 6.What is the simple interest on ₹6500 at 6% per year for 2 years? (a) ₹1170 (b) ₹7280 (c) ₹390 (d) ₹780
7. 7.What is the simple interest on ₹9500 at 4% per year for 3 years? (a) ₹1520 (b) ₹10640 (c) ₹380 (d) ₹1140
8. 8.What is the simple interest on ₹3000 at 5% per year for 5 years? (a) ₹3750 (b) ₹150 (c) ₹900 (d) ₹750
9. 9.In how many years will ₹10000 earn ₹2000 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
10. 10.₹3000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹630 (b) ₹3840 (c) ₹3630 (d) ₹3210
11. 11.The simple interest on ₹7000 for 2 years is ₹560. What is the rate per year? (a) 8% (b) 4% (c) 3% (d) 5%
12. 12.The simple interest on ₹4500 for 5 years is ₹675. What is the rate per year? (a) 15% (b) 4% (c) 3% (d) 2%
13. 13.In how many years will ₹3000 earn ₹1050 simple interest at 7% per year? (a) 6 years (b) 5 years (c) 10 years (d) 4 years
14. 14.What is the simple interest on ₹1500 at 2% per year for 5 years? (a) ₹1650 (b) ₹150 (c) ₹180 (d) ₹30
15. 15.₹7000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹9800 (b) ₹2100 (c) ₹9100 (d) ₹7700
16. 16.The simple interest on ₹8000 for 3 years is ₹2880. What is the rate per year? (a) 11% (b) 36% (c) 13% (d) 12%
17. 17.In how many years will ₹4000 earn ₹1200 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
18. 18.What is the simple interest on ₹6500 at 12% per year for 2 years? (a) ₹2340 (b) ₹1560 (c) ₹780 (d) ₹8060
19. 19.The simple interest on ₹5000 for 5 years is ₹1500. What is the rate per year? (a) 7% (b) 30% (c) 6% (d) 5%
20. 20.₹1500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹1770 (b) ₹1635 (c) ₹270 (d) ₹1905
21. 21.In how many years will ₹1500 earn ₹225 simple interest at 5% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
22. 22.What is the simple interest on ₹1000 at 12% per year for 5 years? (a) ₹120 (b) ₹720 (c) ₹600 (d) ₹1600
23. 23.In how many years will ₹6500 earn ₹3575 simple interest at 11% per year? (a) 4 years (b) 6 years (c) 10 years (d) 5 years
24. 24.What is the simple interest on ₹2000 at 3% per year for 4 years? (a) ₹240 (b) ₹300 (c) ₹2240 (d) ₹60
25. 25.The simple interest on ₹1000 for 4 years is ₹480. What is the rate per year? (a) 48% (b) 13% (c) 12% (d) 11%
26. 26.In how many years will ₹8500 earn ₹340 simple interest at 2% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
27. 27.The simple interest on ₹2000 for 3 years is ₹120. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 6%
28. 28.₹6500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹6630 (b) ₹390 (c) ₹6890 (d) ₹7020
29. 29.₹6500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹8840 (b) ₹7280 (c) ₹9620 (d) ₹2340
30. 30.What is the simple interest on ₹2000 at 10% per year for 5 years? (a) ₹200 (b) ₹3000 (c) ₹1000 (d) ₹1200
31. 31.What is the simple interest on ₹7000 at 10% per year for 2 years? (a) ₹2100 (b) ₹8400 (c) ₹1400 (d) ₹700
32. 32.₹3000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹600 (b) ₹3720 (c) ₹3600 (d) ₹3120
33. 33.In how many years will ₹5500 earn ₹495 simple interest at 3% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
34. 34.In how many years will ₹4000 earn ₹1600 simple interest at 8% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
35. 35.The simple interest on ₹3500 for 4 years is ₹840. What is the rate per year? (a) 6% (b) 24% (c) 5% (d) 7%
36. 36.₹8000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹8800 (b) ₹9600 (c) ₹10400 (d) ₹1600
37. 37.₹5000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹5100 (b) ₹5300 (c) ₹5400 (d) ₹300
38. 38.What is the simple interest on ₹5000 at 5% per year for 3 years? (a) ₹750 (b) ₹1000 (c) ₹250 (d) ₹5750
39. 39.What is the simple interest on ₹7500 at 10% per year for 5 years? (a) ₹750 (b) ₹11250 (c) ₹3750 (d) ₹4500
40. 40.₹3000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹3150 (b) ₹3750 (c) ₹3900 (d) ₹750

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