Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 970 · 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 ₹8500 at 2% per year for 2 years? (a) ₹170 (b) ₹510 (c) ₹8840 (d) ₹340
2. 2.What is the simple interest on ₹1000 at 10% per year for 4 years? (a) ₹1400 (b) ₹400 (c) ₹100 (d) ₹500
3. 3.What is the simple interest on ₹6000 at 8% per year for 4 years? (a) ₹1920 (b) ₹2400 (c) ₹480 (d) ₹7920
4. 4.What is the simple interest on ₹6500 at 2% per year for 4 years? (a) ₹650 (b) ₹7020 (c) ₹130 (d) ₹520
5. 5.In how many years will ₹6500 earn ₹1560 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
6. 6.In how many years will ₹7000 earn ₹1400 simple interest at 10% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
7. 7.In how many years will ₹1000 earn ₹80 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 4 years (d) 1 year
8. 8.₹6500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹9750 (b) ₹7150 (c) ₹9100 (d) ₹2600
9. 9.In how many years will ₹3500 earn ₹350 simple interest at 5% per year? (a) 3 years (b) 4 years (c) 1 year (d) 2 years
10. 10.In how many years will ₹10000 earn ₹600 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
11. 11.In how many years will ₹3000 earn ₹900 simple interest at 6% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
12. 12.The simple interest on ₹3000 for 2 years is ₹540. What is the rate per year? (a) 9% (b) 8% (c) 18% (d) 10%
13. 13.₹10000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹11200 (b) ₹1200 (c) ₹11500 (d) ₹10300
14. 14.The simple interest on ₹1000 for 3 years is ₹240. What is the rate per year? (a) 8% (b) 7% (c) 24% (d) 9%
15. 15.₹1500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1740 (b) ₹1680 (c) ₹1560 (d) ₹180
16. 16.In how many years will ₹4000 earn ₹960 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
17. 17.What is the simple interest on ₹10000 at 6% per year for 4 years? (a) ₹3000 (b) ₹12400 (c) ₹600 (d) ₹2400
18. 18.In how many years will ₹9500 earn ₹3420 simple interest at 12% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
19. 19.₹2500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹2675 (b) ₹525 (c) ₹3200 (d) ₹3025
20. 20.The simple interest on ₹5000 for 2 years is ₹400. What is the rate per year? (a) 5% (b) 4% (c) 3% (d) 8%
21. 21.The simple interest on ₹2000 for 4 years is ₹960. What is the rate per year? (a) 11% (b) 48% (c) 13% (d) 12%
22. 22.₹6000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹6480 (b) ₹6720 (c) ₹6240 (d) ₹480
23. 23.What is the simple interest on ₹2000 at 12% per year for 3 years? (a) ₹240 (b) ₹960 (c) ₹720 (d) ₹2720
24. 24.In how many years will ₹3000 earn ₹540 simple interest at 9% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
25. 25.What is the simple interest on ₹6500 at 9% per year for 3 years? (a) ₹585 (b) ₹8255 (c) ₹1755 (d) ₹2340
26. 26.In how many years will ₹7000 earn ₹3150 simple interest at 9% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
27. 27.What is the simple interest on ₹8000 at 8% per year for 4 years? (a) ₹640 (b) ₹3200 (c) ₹10560 (d) ₹2560
28. 28.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2725 (b) ₹3400 (c) ₹3625 (d) ₹900
29. 29.The simple interest on ₹1000 for 5 years is ₹550. What is the rate per year? (a) 11% (b) 10% (c) 55% (d) 12%
30. 30.₹1500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹1620 (c) ₹1860 (d) ₹1740
31. 31.₹9500 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹10070 (b) ₹10355 (c) ₹9785 (d) ₹570
32. 32.What is the simple interest on ₹9000 at 5% per year for 3 years? (a) ₹10350 (b) ₹1800 (c) ₹1350 (d) ₹450
33. 33.In how many years will ₹5500 earn ₹770 simple interest at 7% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
34. 34.The simple interest on ₹3500 for 4 years is ₹700. What is the rate per year? (a) 5% (b) 4% (c) 6% (d) 20%
35. 35.₹5500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1320 (b) ₹7150 (c) ₹6820 (d) ₹5830
36. 36.What is the simple interest on ₹9000 at 10% per year for 2 years? (a) ₹2700 (b) ₹10800 (c) ₹900 (d) ₹1800
37. 37.In how many years will ₹9000 earn ₹3600 simple interest at 10% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
38. 38.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹10600 (b) ₹600 (c) ₹800 (d) ₹200
39. 39.In how many years will ₹8500 earn ₹1020 simple interest at 3% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
40. 40.₹2000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹2240 (b) ₹200 (c) ₹2200 (d) ₹2040

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