Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 283 · 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 ₹5500 for 4 years is ₹2640. What is the rate per year? (a) 48% (b) 11% (c) 13% (d) 12%
2. 2.In how many years will ₹7000 earn ₹1260 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
3. 3.In how many years will ₹4500 earn ₹2250 simple interest at 10% per year? (a) 10 years (b) 5 years (c) 4 years (d) 6 years
4. 4.What is the simple interest on ₹7500 at 2% per year for 5 years? (a) ₹150 (b) ₹8250 (c) ₹900 (d) ₹750
5. 5.What is the simple interest on ₹5500 at 12% per year for 5 years? (a) ₹3960 (b) ₹3300 (c) ₹8800 (d) ₹660
6. 6.In how many years will ₹8000 earn ₹480 simple interest at 2% per year? (a) 2 years (b) 3 years (c) 4 years (d) 6 years
7. 7.The simple interest on ₹4000 for 2 years is ₹560. What is the rate per year? (a) 8% (b) 14% (c) 7% (d) 6%
8. 8.What is the simple interest on ₹2500 at 10% per year for 4 years? (a) ₹250 (b) ₹1250 (c) ₹3500 (d) ₹1000
9. 9.The simple interest on ₹3500 for 4 years is ₹1540. What is the rate per year? (a) 10% (b) 12% (c) 44% (d) 11%
10. 10.In how many years will ₹2000 earn ₹800 simple interest at 8% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
11. 11.In how many years will ₹3000 earn ₹540 simple interest at 6% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
12. 12.The simple interest on ₹4000 for 4 years is ₹1120. What is the rate per year? (a) 8% (b) 7% (c) 28% (d) 6%
13. 13.₹4000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹400 (b) ₹4600 (c) ₹4200 (d) ₹4400
14. 14.₹2500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹625 (b) ₹3125 (c) ₹2625 (d) ₹3250
15. 15.What is the simple interest on ₹8500 at 12% per year for 4 years? (a) ₹4080 (b) ₹1020 (c) ₹5100 (d) ₹12580
16. 16.In how many years will ₹7500 earn ₹1350 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
17. 17.The simple interest on ₹6000 for 2 years is ₹1440. What is the rate per year? (a) 12% (b) 13% (c) 11% (d) 24%
18. 18.What is the simple interest on ₹3000 at 8% per year for 2 years? (a) ₹720 (b) ₹3480 (c) ₹480 (d) ₹240
19. 19.What is the simple interest on ₹6000 at 2% per year for 5 years? (a) ₹600 (b) ₹6600 (c) ₹720 (d) ₹120
20. 20.In how many years will ₹6500 earn ₹390 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
21. 21.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹1140 (b) ₹10260 (c) ₹760 (d) ₹380
22. 22.₹4000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹5440 (b) ₹4960 (c) ₹960 (d) ₹4480
23. 23.₹1500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹1530 (b) ₹1620 (c) ₹90 (d) ₹1590
24. 24.The simple interest on ₹6500 for 3 years is ₹2145. What is the rate per year? (a) 12% (b) 33% (c) 10% (d) 11%
25. 25.₹1000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1480 (b) ₹360 (c) ₹1360 (d) ₹1120
26. 26.The simple interest on ₹4000 for 4 years is ₹1600. What is the rate per year? (a) 40% (b) 10% (c) 11% (d) 9%
27. 27.What is the simple interest on ₹6500 at 8% per year for 5 years? (a) ₹2600 (b) ₹520 (c) ₹3120 (d) ₹9100
28. 28.In how many years will ₹4000 earn ₹1760 simple interest at 11% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
29. 29.In how many years will ₹2500 earn ₹675 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 2 years (d) 3 years
30. 30.₹2500 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2725 (b) ₹900 (c) ₹3625 (d) ₹3400
31. 31.The simple interest on ₹9000 for 5 years is ₹3600. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 40%
32. 32.What is the simple interest on ₹6500 at 7% per year for 5 years? (a) ₹2730 (b) ₹455 (c) ₹8775 (d) ₹2275
33. 33.What is the simple interest on ₹1000 at 9% per year for 5 years? (a) ₹90 (b) ₹450 (c) ₹1450 (d) ₹540
34. 34.What is the simple interest on ₹10000 at 3% per year for 2 years? (a) ₹10600 (b) ₹900 (c) ₹300 (d) ₹600
35. 35.₹9500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹12540 (b) ₹11780 (c) ₹2280 (d) ₹10260
36. 36.The simple interest on ₹7500 for 4 years is ₹3300. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 44%
37. 37.What is the simple interest on ₹4000 at 11% per year for 5 years? (a) ₹6200 (b) ₹2200 (c) ₹2640 (d) ₹440
38. 38.₹3500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹1680 (b) ₹5180 (c) ₹5600 (d) ₹3920
39. 39.The simple interest on ₹10000 for 4 years is ₹1200. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 12%
40. 40.What is the simple interest on ₹4000 at 4% per year for 2 years? (a) ₹320 (b) ₹480 (c) ₹4320 (d) ₹160

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