Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 886 · 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 ₹1500 for 5 years is ₹600. What is the rate per year? (a) 7% (b) 9% (c) 40% (d) 8%
2. 2.What is the simple interest on ₹7000 at 5% per year for 3 years? (a) ₹350 (b) ₹1400 (c) ₹1050 (d) ₹8050
3. 3.₹5500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹6600 (b) ₹880 (c) ₹5720 (d) ₹6380
4. 4.What is the simple interest on ₹9500 at 2% per year for 4 years? (a) ₹760 (b) ₹190 (c) ₹10260 (d) ₹950
5. 5.What is the simple interest on ₹2000 at 4% per year for 4 years? (a) ₹2320 (b) ₹80 (c) ₹320 (d) ₹400
6. 6.What is the simple interest on ₹5500 at 4% per year for 3 years? (a) ₹660 (b) ₹880 (c) ₹220 (d) ₹6160
7. 7.What is the simple interest on ₹1000 at 5% per year for 4 years? (a) ₹50 (b) ₹1200 (c) ₹200 (d) ₹250
8. 8.What is the simple interest on ₹9500 at 2% per year for 3 years? (a) ₹760 (b) ₹10070 (c) ₹190 (d) ₹570
9. 9.₹9500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1900 (b) ₹10450 (c) ₹12350 (d) ₹11400
10. 10.What is the simple interest on ₹1500 at 3% per year for 3 years? (a) ₹180 (b) ₹45 (c) ₹135 (d) ₹1635
11. 11.₹9500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹11210 (b) ₹10355 (c) ₹1710 (d) ₹12065
12. 12.₹2500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹2700 (b) ₹2550 (c) ₹2650 (d) ₹150
13. 13.In how many years will ₹2500 earn ₹150 simple interest at 2% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
14. 14.In how many years will ₹4000 earn ₹160 simple interest at 2% per year? (a) 3 years (b) 4 years (c) 2 years (d) 1 year
15. 15.₹3500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹1540 (b) ₹5040 (c) ₹5425 (d) ₹3885
16. 16.What is the simple interest on ₹6500 at 10% per year for 4 years? (a) ₹2600 (b) ₹650 (c) ₹9100 (d) ₹3250
17. 17.The simple interest on ₹4000 for 2 years is ₹640. What is the rate per year? (a) 9% (b) 7% (c) 16% (d) 8%
18. 18.What is the simple interest on ₹7500 at 3% per year for 2 years? (a) ₹675 (b) ₹450 (c) ₹7950 (d) ₹225
19. 19.₹5000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹800 (b) ₹5800 (c) ₹5200 (d) ₹6000
20. 20.₹1500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2025 (b) ₹420 (c) ₹1920 (d) ₹1605
21. 21.What is the simple interest on ₹7500 at 2% per year for 4 years? (a) ₹750 (b) ₹8100 (c) ₹150 (d) ₹600
22. 22.₹8000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹10560 (b) ₹1920 (c) ₹8640 (d) ₹9920
23. 23.₹4000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹560 (b) ₹4280 (c) ₹4840 (d) ₹4560
24. 24.₹5000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹1350 (b) ₹5450 (c) ₹6800 (d) ₹6350
25. 25.₹10000 is invested at 6% per year simple interest. What is the amount after 3 years? (a) ₹1800 (b) ₹11800 (c) ₹10600 (d) ₹12400
26. 26.The simple interest on ₹6500 for 2 years is ₹1560. What is the rate per year? (a) 11% (b) 24% (c) 12% (d) 13%
27. 27.₹3500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹4025 (b) ₹3850 (c) ₹3675 (d) ₹350
28. 28.The simple interest on ₹1500 for 5 years is ₹300. What is the rate per year? (a) 20% (b) 4% (c) 3% (d) 5%
29. 29.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹480 (b) ₹3720 (c) ₹3240 (d) ₹3480
30. 30.₹8500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹9520 (b) ₹1020 (c) ₹8755 (d) ₹9775
31. 31.The simple interest on ₹2500 for 3 years is ₹750. What is the rate per year? (a) 9% (b) 30% (c) 10% (d) 11%
32. 32.What is the simple interest on ₹7000 at 2% per year for 4 years? (a) ₹140 (b) ₹700 (c) ₹560 (d) ₹7560
33. 33.The simple interest on ₹7000 for 3 years is ₹1680. What is the rate per year? (a) 8% (b) 9% (c) 24% (d) 7%
34. 34.What is the simple interest on ₹2000 at 9% per year for 4 years? (a) ₹2720 (b) ₹180 (c) ₹900 (d) ₹720
35. 35.In how many years will ₹9500 earn ₹1520 simple interest at 4% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
36. 36.The simple interest on ₹4000 for 4 years is ₹320. What is the rate per year? (a) 3% (b) 2% (c) 8% (d) 1%
37. 37.What is the simple interest on ₹8500 at 5% per year for 5 years? (a) ₹425 (b) ₹10625 (c) ₹2550 (d) ₹2125
38. 38.The simple interest on ₹7500 for 3 years is ₹2475. What is the rate per year? (a) 10% (b) 11% (c) 12% (d) 33%
39. 39.The simple interest on ₹3500 for 2 years is ₹770. What is the rate per year? (a) 22% (b) 11% (c) 12% (d) 10%
40. 40.What is the simple interest on ₹2000 at 4% per year for 2 years? (a) ₹240 (b) ₹80 (c) ₹2160 (d) ₹160

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