Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 90 · 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.What is the simple interest on ₹1500 at 4% per year for 5 years? (a) ₹60 (b) ₹1800 (c) ₹360 (d) ₹300
2. 2.What is the simple interest on ₹6500 at 8% per year for 5 years? (a) ₹3120 (b) ₹520 (c) ₹9100 (d) ₹2600
3. 3.₹10000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2800 (b) ₹12800 (c) ₹10700 (d) ₹13500
4. 4.What is the simple interest on ₹1000 at 2% per year for 3 years? (a) ₹60 (b) ₹80 (c) ₹1060 (d) ₹20
5. 5.In how many years will ₹7500 earn ₹1500 simple interest at 4% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
6. 6.What is the simple interest on ₹5500 at 12% per year for 2 years? (a) ₹1320 (b) ₹6820 (c) ₹1980 (d) ₹660
7. 7.The simple interest on ₹2000 for 2 years is ₹120. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 6%
8. 8.What is the simple interest on ₹7000 at 10% per year for 5 years? (a) ₹700 (b) ₹10500 (c) ₹3500 (d) ₹4200
9. 9.What is the simple interest on ₹7000 at 2% per year for 5 years? (a) ₹840 (b) ₹700 (c) ₹7700 (d) ₹140
10. 10.The simple interest on ₹9500 for 4 years is ₹3420. What is the rate per year? (a) 9% (b) 36% (c) 8% (d) 10%
11. 11.What is the simple interest on ₹10000 at 4% per year for 5 years? (a) ₹12000 (b) ₹400 (c) ₹2000 (d) ₹2400
12. 12.What is the simple interest on ₹2500 at 2% per year for 3 years? (a) ₹150 (b) ₹2650 (c) ₹200 (d) ₹50
13. 13.What is the simple interest on ₹3000 at 11% per year for 3 years? (a) ₹3990 (b) ₹1320 (c) ₹990 (d) ₹330
14. 14.₹2500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹550 (b) ₹2775 (c) ₹3325 (d) ₹3050
15. 15.What is the simple interest on ₹9500 at 7% per year for 5 years? (a) ₹3990 (b) ₹665 (c) ₹3325 (d) ₹12825
16. 16.The simple interest on ₹1000 for 4 years is ₹480. What is the rate per year? (a) 12% (b) 11% (c) 13% (d) 48%
17. 17.What is the simple interest on ₹5500 at 2% per year for 4 years? (a) ₹440 (b) ₹5940 (c) ₹550 (d) ₹110
18. 18.₹5500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹8140 (b) ₹2200 (c) ₹5940 (d) ₹7700
19. 19.What is the simple interest on ₹1000 at 10% per year for 2 years? (a) ₹1200 (b) ₹300 (c) ₹200 (d) ₹100
20. 20.What is the simple interest on ₹8500 at 11% per year for 4 years? (a) ₹12240 (b) ₹935 (c) ₹4675 (d) ₹3740
21. 21.What is the simple interest on ₹3000 at 2% per year for 4 years? (a) ₹3240 (b) ₹60 (c) ₹300 (d) ₹240
22. 22.₹2000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹2480 (b) ₹2720 (c) ₹2240 (d) ₹480
23. 23.In how many years will ₹1500 earn ₹375 simple interest at 5% per year? (a) 10 years (b) 5 years (c) 6 years (d) 4 years
24. 24.In how many years will ₹3000 earn ₹420 simple interest at 7% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
25. 25.What is the simple interest on ₹7000 at 9% per year for 5 years? (a) ₹3780 (b) ₹3150 (c) ₹10150 (d) ₹630
26. 26.The simple interest on ₹9500 for 3 years is ₹3135. What is the rate per year? (a) 10% (b) 12% (c) 33% (d) 11%
27. 27.₹1000 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1300 (b) ₹1250 (c) ₹1050 (d) ₹250
28. 28.What is the simple interest on ₹10000 at 4% per year for 4 years? (a) ₹2000 (b) ₹11600 (c) ₹1600 (d) ₹400
29. 29.The simple interest on ₹6500 for 3 years is ₹1170. What is the rate per year? (a) 6% (b) 18% (c) 5% (d) 7%
30. 30.₹7500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹7725 (b) ₹8850 (c) ₹1125 (d) ₹8625
31. 31.In how many years will ₹6500 earn ₹2340 simple interest at 9% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
32. 32.₹6500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹7280 (b) ₹7670 (c) ₹6890 (d) ₹780
33. 33.₹5000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹5400 (b) ₹7400 (c) ₹2000 (d) ₹7000
34. 34.What is the simple interest on ₹9000 at 12% per year for 2 years? (a) ₹3240 (b) ₹2160 (c) ₹1080 (d) ₹11160
35. 35.What is the simple interest on ₹4500 at 6% per year for 5 years? (a) ₹270 (b) ₹5850 (c) ₹1620 (d) ₹1350
36. 36.The simple interest on ₹2500 for 5 years is ₹1500. What is the rate per year? (a) 60% (b) 13% (c) 12% (d) 11%
37. 37.In how many years will ₹6000 earn ₹600 simple interest at 5% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
38. 38.In how many years will ₹1000 earn ₹220 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
39. 39.What is the simple interest on ₹9000 at 4% per year for 4 years? (a) ₹1800 (b) ₹360 (c) ₹1440 (d) ₹10440
40. 40.₹2000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹440 (b) ₹2660 (c) ₹2440 (d) ₹2220

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