Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 370 · 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 ₹1500 at 11% per year for 4 years? (a) ₹2160 (b) ₹660 (c) ₹825 (d) ₹165
2. 2.In how many years will ₹9000 earn ₹1890 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
3. 3.₹7500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹8400 (b) ₹8175 (c) ₹7725 (d) ₹675
4. 4.The simple interest on ₹1000 for 2 years is ₹60. What is the rate per year? (a) 4% (b) 6% (c) 3% (d) 2%
5. 5.₹4500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹2160 (b) ₹5040 (c) ₹6660 (d) ₹7200
6. 6.The simple interest on ₹2000 for 5 years is ₹300. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 15%
7. 7.₹5500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹5720 (b) ₹6160 (c) ₹6380 (d) ₹660
8. 8.What is the simple interest on ₹8000 at 2% per year for 2 years? (a) ₹160 (b) ₹480 (c) ₹8320 (d) ₹320
9. 9.What is the simple interest on ₹2500 at 9% per year for 5 years? (a) ₹1350 (b) ₹3625 (c) ₹1125 (d) ₹225
10. 10.In how many years will ₹7000 earn ₹3080 simple interest at 11% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
11. 11.₹1000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹1120 (b) ₹1480 (c) ₹1600 (d) ₹480
12. 12.The simple interest on ₹5500 for 4 years is ₹2640. What is the rate per year? (a) 13% (b) 48% (c) 12% (d) 11%
13. 13.₹9000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹13500 (c) ₹9900 (d) ₹12600
14. 14.What is the simple interest on ₹5500 at 10% per year for 5 years? (a) ₹2750 (b) ₹550 (c) ₹3300 (d) ₹8250
15. 15.The simple interest on ₹5000 for 4 years is ₹1400. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 28%
16. 16.₹2500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹2675 (b) ₹3025 (c) ₹525 (d) ₹3200
17. 17.What is the simple interest on ₹8500 at 9% per year for 5 years? (a) ₹3825 (b) ₹4590 (c) ₹765 (d) ₹12325
18. 18.In how many years will ₹3500 earn ₹560 simple interest at 4% per year? (a) 5 years (b) 4 years (c) 3 years (d) 8 years
19. 19.₹6500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2925 (b) ₹7085 (c) ₹10010 (d) ₹9425
20. 20.The simple interest on ₹9000 for 3 years is ₹810. What is the rate per year? (a) 3% (b) 2% (c) 4% (d) 9%
21. 21.The simple interest on ₹5500 for 4 years is ₹2200. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 40%
22. 22.What is the simple interest on ₹1000 at 4% per year for 5 years? (a) ₹1200 (b) ₹240 (c) ₹200 (d) ₹40
23. 23.In how many years will ₹9500 earn ₹1140 simple interest at 4% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
24. 24.The simple interest on ₹9500 for 4 years is ₹3420. What is the rate per year? (a) 10% (b) 8% (c) 9% (d) 36%
25. 25.In how many years will ₹3000 earn ₹1200 simple interest at 8% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
26. 26.In how many years will ₹4000 earn ₹1920 simple interest at 12% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
27. 27.The simple interest on ₹2000 for 4 years is ₹160. What is the rate per year? (a) 3% (b) 1% (c) 8% (d) 2%
28. 28.The simple interest on ₹2500 for 5 years is ₹625. What is the rate per year? (a) 25% (b) 5% (c) 4% (d) 6%
29. 29.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 6%
30. 30.In how many years will ₹2500 earn ₹100 simple interest at 2% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
31. 31.In how many years will ₹10000 earn ₹2400 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
32. 32.₹9500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹12350 (b) ₹9975 (c) ₹11875 (d) ₹2375
33. 33.The simple interest on ₹4000 for 3 years is ₹360. What is the rate per year? (a) 9% (b) 2% (c) 4% (d) 3%
34. 34.₹8000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹640 (b) ₹8640 (c) ₹8160 (d) ₹8800
35. 35.What is the simple interest on ₹5500 at 4% per year for 3 years? (a) ₹6160 (b) ₹220 (c) ₹880 (d) ₹660
36. 36.What is the simple interest on ₹4000 at 12% per year for 3 years? (a) ₹1920 (b) ₹1440 (c) ₹480 (d) ₹5440
37. 37.₹7000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7280 (b) ₹280 (c) ₹7420 (d) ₹7140
38. 38.In how many years will ₹4000 earn ₹1600 simple interest at 8% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
39. 39.₹4500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹4680 (b) ₹5040 (c) ₹4860 (d) ₹360
40. 40.₹7000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹8680 (b) ₹1680 (c) ₹7560 (d) ₹9240

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