Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 984 · 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 ₹9500 at 12% per year for 4 years? (a) ₹14060 (b) ₹1140 (c) ₹4560 (d) ₹5700
2. 2.In how many years will ₹10000 earn ₹2400 simple interest at 8% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
3. 3.The simple interest on ₹5000 for 5 years is ₹2500. What is the rate per year? (a) 50% (b) 10% (c) 9% (d) 11%
4. 4.The simple interest on ₹6000 for 5 years is ₹900. What is the rate per year? (a) 15% (b) 3% (c) 2% (d) 4%
5. 5.₹6500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹6630 (b) ₹7020 (c) ₹520 (d) ₹7150
6. 6.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 1% (b) 3% (c) 2% (d) 4%
7. 7.In how many years will ₹9500 earn ₹570 simple interest at 2% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
8. 8.₹9500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹10355 (b) ₹12920 (c) ₹12065 (d) ₹2565
9. 9.What is the simple interest on ₹1000 at 2% per year for 2 years? (a) ₹40 (b) ₹1040 (c) ₹20 (d) ₹60
10. 10.₹3500 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹630 (b) ₹4445 (c) ₹4130 (d) ₹3815
11. 11.What is the simple interest on ₹1500 at 7% per year for 5 years? (a) ₹105 (b) ₹630 (c) ₹2025 (d) ₹525
12. 12.What is the simple interest on ₹3000 at 9% per year for 4 years? (a) ₹270 (b) ₹1080 (c) ₹4080 (d) ₹1350
13. 13.₹6000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹8160 (b) ₹6720 (c) ₹7440 (d) ₹1440
14. 14.The simple interest on ₹8000 for 3 years is ₹1200. What is the rate per year? (a) 4% (b) 15% (c) 5% (d) 6%
15. 15.₹5000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹5250 (b) ₹1000 (c) ₹6000 (d) ₹6250
16. 16.The simple interest on ₹2000 for 2 years is ₹200. What is the rate per year? (a) 10% (b) 6% (c) 4% (d) 5%
17. 17.₹9000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹11160 (b) ₹9720 (c) ₹11880 (d) ₹2160
18. 18.What is the simple interest on ₹7000 at 7% per year for 3 years? (a) ₹1960 (b) ₹490 (c) ₹1470 (d) ₹8470
19. 19.What is the simple interest on ₹1500 at 12% per year for 3 years? (a) ₹540 (b) ₹720 (c) ₹180 (d) ₹2040
20. 20.In how many years will ₹1500 earn ₹60 simple interest at 2% per year? (a) 1 year (b) 2 years (c) 3 years (d) 4 years
21. 21.The simple interest on ₹5000 for 4 years is ₹800. What is the rate per year? (a) 3% (b) 5% (c) 4% (d) 16%
22. 22.The simple interest on ₹6500 for 3 years is ₹2145. What is the rate per year? (a) 33% (b) 12% (c) 10% (d) 11%
23. 23.In how many years will ₹9500 earn ₹1140 simple interest at 3% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
24. 24.The simple interest on ₹9500 for 2 years is ₹380. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 1%
25. 25.In how many years will ₹8500 earn ₹3400 simple interest at 8% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
26. 26.In how many years will ₹8500 earn ₹2720 simple interest at 8% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
27. 27.The simple interest on ₹8500 for 2 years is ₹850. What is the rate per year? (a) 6% (b) 10% (c) 4% (d) 5%
28. 28.₹8500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2975 (b) ₹11475 (c) ₹9095 (d) ₹12070
29. 29.₹7500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1800 (b) ₹7950 (c) ₹9750 (d) ₹9300
30. 30.₹3500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹770 (b) ₹4655 (c) ₹3885 (d) ₹4270
31. 31.What is the simple interest on ₹8000 at 5% per year for 5 years? (a) ₹400 (b) ₹2400 (c) ₹10000 (d) ₹2000
32. 32.What is the simple interest on ₹4500 at 7% per year for 3 years? (a) ₹945 (b) ₹1260 (c) ₹5445 (d) ₹315
33. 33.What is the simple interest on ₹1000 at 12% per year for 3 years? (a) ₹480 (b) ₹360 (c) ₹1360 (d) ₹120
34. 34.What is the simple interest on ₹7000 at 11% per year for 4 years? (a) ₹3080 (b) ₹10080 (c) ₹3850 (d) ₹770
35. 35.What is the simple interest on ₹7500 at 5% per year for 5 years? (a) ₹1875 (b) ₹9375 (c) ₹2250 (d) ₹375
36. 36.In how many years will ₹7000 earn ₹1260 simple interest at 9% per year? (a) 2 years (b) 3 years (c) 4 years (d) 1 year
37. 37.In how many years will ₹3000 earn ₹420 simple interest at 7% per year? (a) 4 years (b) 1 year (c) 3 years (d) 2 years
38. 38.In how many years will ₹10000 earn ₹1200 simple interest at 4% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
39. 39.In how many years will ₹8000 earn ₹1600 simple interest at 5% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
40. 40.What is the simple interest on ₹10000 at 3% per year for 5 years? (a) ₹1800 (b) ₹11500 (c) ₹1500 (d) ₹300

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