Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 378 · 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 ₹2500 earn ₹225 simple interest at 3% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
2. 2.₹5000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹6500 (b) ₹5500 (c) ₹6000 (d) ₹1000
3. 3.In how many years will ₹10000 earn ₹6000 simple interest at 12% per year? (a) 5 years (b) 4 years (c) 10 years (d) 6 years
4. 4.The simple interest on ₹8000 for 2 years is ₹1120. What is the rate per year? (a) 8% (b) 7% (c) 14% (d) 6%
5. 5.What is the simple interest on ₹1000 at 7% per year for 2 years? (a) ₹140 (b) ₹1140 (c) ₹210 (d) ₹70
6. 6.In how many years will ₹1000 earn ₹300 simple interest at 6% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
7. 7.The simple interest on ₹8500 for 5 years is ₹2550. What is the rate per year? (a) 5% (b) 7% (c) 30% (d) 6%
8. 8.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹570 (b) ₹10070 (c) ₹9785 (d) ₹10355
9. 9.The simple interest on ₹3000 for 4 years is ₹480. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 16%
10. 10.The simple interest on ₹2500 for 4 years is ₹900. What is the rate per year? (a) 10% (b) 36% (c) 8% (d) 9%
11. 11.₹2500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹3750 (b) ₹2750 (c) ₹4000 (d) ₹1250
12. 12.In how many years will ₹1000 earn ₹320 simple interest at 8% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
13. 13.The simple interest on ₹7000 for 4 years is ₹1120. What is the rate per year? (a) 3% (b) 4% (c) 16% (d) 5%
14. 14.What is the simple interest on ₹1000 at 6% per year for 5 years? (a) ₹360 (b) ₹60 (c) ₹1300 (d) ₹300
15. 15.What is the simple interest on ₹1500 at 8% per year for 5 years? (a) ₹2100 (b) ₹720 (c) ₹120 (d) ₹600
16. 16.₹7500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹2700 (b) ₹10200 (c) ₹11100 (d) ₹8400
17. 17.₹9500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹11780 (b) ₹10640 (c) ₹2280 (d) ₹12920
18. 18.In how many years will ₹3500 earn ₹1260 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
19. 19.What is the simple interest on ₹7000 at 4% per year for 3 years? (a) ₹1120 (b) ₹840 (c) ₹7840 (d) ₹280
20. 20.In how many years will ₹7000 earn ₹840 simple interest at 3% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
21. 21.The simple interest on ₹5000 for 2 years is ₹300. What is the rate per year? (a) 4% (b) 6% (c) 2% (d) 3%
22. 22.The simple interest on ₹9500 for 2 years is ₹380. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 1%
23. 23.The simple interest on ₹8000 for 2 years is ₹960. What is the rate per year? (a) 6% (b) 5% (c) 12% (d) 7%
24. 24.The simple interest on ₹2000 for 2 years is ₹440. What is the rate per year? (a) 12% (b) 11% (c) 10% (d) 22%
25. 25.What is the simple interest on ₹6000 at 5% per year for 2 years? (a) ₹600 (b) ₹900 (c) ₹6600 (d) ₹300
26. 26.What is the simple interest on ₹3000 at 2% per year for 2 years? (a) ₹180 (b) ₹60 (c) ₹3120 (d) ₹120
27. 27.₹2000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹2480 (b) ₹2400 (c) ₹2080 (d) ₹400
28. 28.What is the simple interest on ₹9000 at 5% per year for 2 years? (a) ₹9900 (b) ₹900 (c) ₹1350 (d) ₹450
29. 29.The simple interest on ₹7500 for 2 years is ₹300. What is the rate per year? (a) 3% (b) 4% (c) 1% (d) 2%
30. 30.₹6000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹720 (b) ₹6180 (c) ₹6900 (d) ₹6720
31. 31.In how many years will ₹9500 earn ₹1425 simple interest at 3% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
32. 32.What is the simple interest on ₹6500 at 12% per year for 4 years? (a) ₹3120 (b) ₹780 (c) ₹9620 (d) ₹3900
33. 33.In how many years will ₹5000 earn ₹1800 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
34. 34.₹6000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹8100 (b) ₹2100 (c) ₹8520 (d) ₹6420
35. 35.₹1500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹1635 (b) ₹1590 (c) ₹90 (d) ₹1545
36. 36.What is the simple interest on ₹5500 at 6% per year for 3 years? (a) ₹6490 (b) ₹1320 (c) ₹990 (d) ₹330
37. 37.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹1635 (b) ₹135 (c) ₹45 (d) ₹180
38. 38.In how many years will ₹10000 earn ₹1200 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
39. 39.In how many years will ₹9500 earn ₹760 simple interest at 2% per year? (a) 5 years (b) 8 years (c) 4 years (d) 3 years
40. 40.What is the simple interest on ₹2000 at 3% per year for 5 years? (a) ₹360 (b) ₹2300 (c) ₹60 (d) ₹300

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