Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 816 · 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.The simple interest on ₹1000 for 4 years is ₹480. What is the rate per year? (a) 13% (b) 12% (c) 48% (d) 11%
2. 2.What is the simple interest on ₹3500 at 5% per year for 2 years? (a) ₹350 (b) ₹525 (c) ₹175 (d) ₹3850
3. 3.₹9500 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹11400 (b) ₹11780 (c) ₹9880 (d) ₹1900
4. 4.The simple interest on ₹9500 for 2 years is ₹2280. What is the rate per year? (a) 13% (b) 24% (c) 12% (d) 11%
5. 5.The simple interest on ₹4500 for 5 years is ₹450. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 10%
6. 6.In how many years will ₹2500 earn ₹750 simple interest at 6% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
7. 7.What is the simple interest on ₹6500 at 10% per year for 3 years? (a) ₹2600 (b) ₹650 (c) ₹1950 (d) ₹8450
8. 8.The simple interest on ₹2000 for 2 years is ₹360. What is the rate per year? (a) 10% (b) 8% (c) 18% (d) 9%
9. 9.In how many years will ₹4500 earn ₹675 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
10. 10.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹6600 (b) ₹880 (c) ₹5720 (d) ₹6380
11. 11.The simple interest on ₹1000 for 4 years is ₹80. What is the rate per year? (a) 8% (b) 2% (c) 3% (d) 1%
12. 12.What is the simple interest on ₹2500 at 5% per year for 4 years? (a) ₹3000 (b) ₹500 (c) ₹625 (d) ₹125
13. 13.What is the simple interest on ₹2000 at 6% per year for 3 years? (a) ₹480 (b) ₹120 (c) ₹360 (d) ₹2360
14. 14.₹5500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹5940 (b) ₹2200 (c) ₹8140 (d) ₹7700
15. 15.What is the simple interest on ₹6500 at 8% per year for 2 years? (a) ₹1040 (b) ₹7540 (c) ₹1560 (d) ₹520
16. 16.In how many years will ₹5000 earn ₹1200 simple interest at 6% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
17. 17.₹10000 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹12000 (b) ₹10500 (c) ₹11500 (d) ₹1500
18. 18.What is the simple interest on ₹9000 at 7% per year for 4 years? (a) ₹2520 (b) ₹3150 (c) ₹630 (d) ₹11520
19. 19.The simple interest on ₹8500 for 2 years is ₹680. What is the rate per year? (a) 8% (b) 4% (c) 3% (d) 5%
20. 20.The simple interest on ₹1500 for 3 years is ₹90. What is the rate per year? (a) 1% (b) 3% (c) 6% (d) 2%
21. 21.₹2000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹3200 (b) ₹2200 (c) ₹1000 (d) ₹3000
22. 22.What is the simple interest on ₹3000 at 10% per year for 5 years? (a) ₹1500 (b) ₹1800 (c) ₹4500 (d) ₹300
23. 23.What is the simple interest on ₹7500 at 11% per year for 3 years? (a) ₹825 (b) ₹9975 (c) ₹3300 (d) ₹2475
24. 24.What is the simple interest on ₹4500 at 8% per year for 2 years? (a) ₹720 (b) ₹5220 (c) ₹1080 (d) ₹360
25. 25.In how many years will ₹9000 earn ₹1080 simple interest at 6% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
26. 26.What is the simple interest on ₹9000 at 3% per year for 4 years? (a) ₹10080 (b) ₹1080 (c) ₹270 (d) ₹1350
27. 27.What is the simple interest on ₹4500 at 3% per year for 3 years? (a) ₹135 (b) ₹4905 (c) ₹540 (d) ₹405
28. 28.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹160 (b) ₹80 (c) ₹240 (d) ₹2160
29. 29.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹6660 (b) ₹4860 (c) ₹1800 (d) ₹6300
30. 30.₹4500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹5445 (b) ₹5760 (c) ₹945 (d) ₹4815
31. 31.₹2500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹400 (b) ₹2900 (c) ₹3100 (d) ₹2700
32. 32.The simple interest on ₹1000 for 5 years is ₹450. What is the rate per year? (a) 10% (b) 45% (c) 9% (d) 8%
33. 33.What is the simple interest on ₹4000 at 9% per year for 3 years? (a) ₹5080 (b) ₹1440 (c) ₹360 (d) ₹1080
34. 34.₹7500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹3300 (b) ₹11625 (c) ₹8325 (d) ₹10800
35. 35.In how many years will ₹7000 earn ₹700 simple interest at 5% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
36. 36.What is the simple interest on ₹10000 at 10% per year for 4 years? (a) ₹1000 (b) ₹4000 (c) ₹5000 (d) ₹14000
37. 37.The simple interest on ₹7500 for 2 years is ₹600. What is the rate per year? (a) 4% (b) 8% (c) 5% (d) 3%
38. 38.In how many years will ₹5000 earn ₹750 simple interest at 3% per year? (a) 10 years (b) 6 years (c) 4 years (d) 5 years
39. 39.In how many years will ₹8000 earn ₹800 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
40. 40.What is the simple interest on ₹8000 at 3% per year for 3 years? (a) ₹240 (b) ₹960 (c) ₹8720 (d) ₹720

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