Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 658 · 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 ₹2500 at 4% per year for 3 years? (a) ₹300 (b) ₹400 (c) ₹100 (d) ₹2800
2. 2.₹2000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹720 (b) ₹2720 (c) ₹2180 (d) ₹2900
3. 3.₹1500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹1560 (b) ₹1680 (c) ₹180 (d) ₹1740
4. 4.₹2000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2560 (b) ₹2140 (c) ₹2700 (d) ₹560
5. 5.What is the simple interest on ₹10000 at 12% per year for 4 years? (a) ₹6000 (b) ₹4800 (c) ₹14800 (d) ₹1200
6. 6.In how many years will ₹7000 earn ₹3360 simple interest at 12% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
7. 7.₹3000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹3240 (b) ₹240 (c) ₹3060 (d) ₹3300
8. 8.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
9. 9.What is the simple interest on ₹7000 at 10% per year for 2 years? (a) ₹1400 (b) ₹2100 (c) ₹700 (d) ₹8400
10. 10.What is the simple interest on ₹4000 at 3% per year for 5 years? (a) ₹600 (b) ₹120 (c) ₹4600 (d) ₹720
11. 11.In how many years will ₹2500 earn ₹150 simple interest at 3% per year? (a) 2 years (b) 1 year (c) 3 years (d) 4 years
12. 12.₹9500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹14060 (b) ₹13300 (c) ₹3800 (d) ₹10260
13. 13.What is the simple interest on ₹1500 at 9% per year for 4 years? (a) ₹540 (b) ₹135 (c) ₹675 (d) ₹2040
14. 14.What is the simple interest on ₹9000 at 6% per year for 5 years? (a) ₹540 (b) ₹2700 (c) ₹11700 (d) ₹3240
15. 15.₹9000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2430 (b) ₹9810 (c) ₹12240 (d) ₹11430
16. 16.The simple interest on ₹1500 for 3 years is ₹135. What is the rate per year? (a) 3% (b) 4% (c) 2% (d) 9%
17. 17.The simple interest on ₹8000 for 2 years is ₹1440. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 18%
18. 18.What is the simple interest on ₹9500 at 3% per year for 5 years? (a) ₹1710 (b) ₹285 (c) ₹10925 (d) ₹1425
19. 19.In how many years will ₹1500 earn ₹420 simple interest at 7% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
20. 20.The simple interest on ₹1000 for 3 years is ₹210. What is the rate per year? (a) 7% (b) 21% (c) 8% (d) 6%
21. 21.In how many years will ₹3500 earn ₹1540 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
22. 22.In how many years will ₹5500 earn ₹1320 simple interest at 12% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
23. 23.₹9500 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹12350 (b) ₹2850 (c) ₹13300 (d) ₹10450
24. 24.₹2000 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2840 (b) ₹2140 (c) ₹700 (d) ₹2700
25. 25.In how many years will ₹3000 earn ₹270 simple interest at 3% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
26. 26.₹9500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹14060 (b) ₹12920 (c) ₹10640 (d) ₹3420
27. 27.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹210 (b) ₹3710 (c) ₹280 (d) ₹70
28. 28.The simple interest on ₹3000 for 4 years is ₹360. What is the rate per year? (a) 2% (b) 12% (c) 3% (d) 4%
29. 29.What is the simple interest on ₹3000 at 9% per year for 5 years? (a) ₹4350 (b) ₹270 (c) ₹1350 (d) ₹1620
30. 30.The simple interest on ₹6000 for 2 years is ₹1200. What is the rate per year? (a) 20% (b) 11% (c) 9% (d) 10%
31. 31.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹540 (b) ₹4770 (c) ₹5310 (d) ₹5040
32. 32.In how many years will ₹7000 earn ₹560 simple interest at 2% per year? (a) 4 years (b) 8 years (c) 5 years (d) 3 years
33. 33.In how many years will ₹9500 earn ₹3420 simple interest at 9% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
34. 34.The simple interest on ₹8000 for 4 years is ₹2560. What is the rate per year? (a) 32% (b) 9% (c) 8% (d) 7%
35. 35.What is the simple interest on ₹6500 at 8% per year for 3 years? (a) ₹2080 (b) ₹520 (c) ₹1560 (d) ₹8060
36. 36.₹10000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹10500 (b) ₹1000 (c) ₹11000 (d) ₹11500
37. 37.What is the simple interest on ₹6000 at 6% per year for 3 years? (a) ₹7080 (b) ₹1440 (c) ₹1080 (d) ₹360
38. 38.What is the simple interest on ₹5000 at 11% per year for 5 years? (a) ₹3300 (b) ₹2750 (c) ₹550 (d) ₹7750
39. 39.₹4500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹4815 (b) ₹6075 (c) ₹1575 (d) ₹6390
40. 40.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 15% (b) 4% (c) 3% (d) 2%

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