Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 381 · 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 ₹8500 at 2% per year for 4 years? (a) ₹850 (b) ₹9180 (c) ₹680 (d) ₹170
2. 2.What is the simple interest on ₹3500 at 9% per year for 3 years? (a) ₹945 (b) ₹1260 (c) ₹315 (d) ₹4445
3. 3.In how many years will ₹5500 earn ₹1980 simple interest at 9% per year? (a) 8 years (b) 5 years (c) 4 years (d) 3 years
4. 4.The simple interest on ₹6500 for 5 years is ₹2925. What is the rate per year? (a) 10% (b) 8% (c) 45% (d) 9%
5. 5.The simple interest on ₹5500 for 3 years is ₹1980. What is the rate per year? (a) 12% (b) 13% (c) 36% (d) 11%
6. 6.₹3000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3360 (b) ₹4800 (c) ₹1440 (d) ₹4440
7. 7.₹6500 is invested at 8% per year simple interest. What is the amount after 4 years? (a) ₹2080 (b) ₹7020 (c) ₹8580 (d) ₹9100
8. 8.The simple interest on ₹1500 for 3 years is ₹135. What is the rate per year? (a) 3% (b) 9% (c) 4% (d) 2%
9. 9.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
10. 10.₹8500 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹8925 (b) ₹1700 (c) ₹10625 (d) ₹10200
11. 11.The simple interest on ₹1500 for 4 years is ₹120. What is the rate per year? (a) 8% (b) 3% (c) 2% (d) 1%
12. 12.What is the simple interest on ₹10000 at 3% per year for 3 years? (a) ₹1200 (b) ₹300 (c) ₹900 (d) ₹10900
13. 13.What is the simple interest on ₹1000 at 3% per year for 4 years? (a) ₹120 (b) ₹30 (c) ₹150 (d) ₹1120
14. 14.What is the simple interest on ₹9000 at 4% per year for 5 years? (a) ₹360 (b) ₹1800 (c) ₹10800 (d) ₹2160
15. 15.₹3000 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹3150 (b) ₹3450 (c) ₹3300 (d) ₹300
16. 16.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4860 (b) ₹6300 (c) ₹6660 (d) ₹1800
17. 17.In how many years will ₹5500 earn ₹2750 simple interest at 10% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
18. 18.In how many years will ₹7500 earn ₹900 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
19. 19.The simple interest on ₹7500 for 5 years is ₹2625. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 35%
20. 20.In how many years will ₹6000 earn ₹1080 simple interest at 9% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
21. 21.What is the simple interest on ₹1000 at 8% per year for 3 years? (a) ₹240 (b) ₹320 (c) ₹1240 (d) ₹80
22. 22.₹9500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹13300 (b) ₹3800 (c) ₹14060 (d) ₹10260
23. 23.The simple interest on ₹7500 for 4 years is ₹3300. What is the rate per year? (a) 10% (b) 12% (c) 11% (d) 44%
24. 24.The simple interest on ₹7500 for 3 years is ₹1125. What is the rate per year? (a) 15% (b) 6% (c) 4% (d) 5%
25. 25.In how many years will ₹9500 earn ₹2280 simple interest at 8% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
26. 26.In how many years will ₹10000 earn ₹3300 simple interest at 11% per year? (a) 6 years (b) 3 years (c) 2 years (d) 4 years
27. 27.₹4500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹540 (b) ₹5040 (c) ₹5310 (d) ₹4770
28. 28.What is the simple interest on ₹3000 at 9% per year for 3 years? (a) ₹1080 (b) ₹270 (c) ₹3810 (d) ₹810
29. 29.The simple interest on ₹4500 for 5 years is ₹2475. What is the rate per year? (a) 55% (b) 12% (c) 10% (d) 11%
30. 30.The simple interest on ₹5500 for 3 years is ₹1155. What is the rate per year? (a) 6% (b) 21% (c) 7% (d) 8%
31. 31.What is the simple interest on ₹4000 at 5% per year for 4 years? (a) ₹200 (b) ₹800 (c) ₹1000 (d) ₹4800
32. 32.₹10000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹15000 (b) ₹11000 (c) ₹16000 (d) ₹5000
33. 33.What is the simple interest on ₹4500 at 8% per year for 4 years? (a) ₹5940 (b) ₹360 (c) ₹1800 (d) ₹1440
34. 34.The simple interest on ₹5000 for 4 years is ₹2400. What is the rate per year? (a) 13% (b) 12% (c) 48% (d) 11%
35. 35.₹7500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹7650 (b) ₹450 (c) ₹8100 (d) ₹7950
36. 36.₹3000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹3360 (b) ₹3180 (c) ₹360 (d) ₹3540
37. 37.What is the simple interest on ₹3000 at 2% per year for 4 years? (a) ₹60 (b) ₹300 (c) ₹240 (d) ₹3240
38. 38.In how many years will ₹2000 earn ₹80 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
39. 39.In how many years will ₹4500 earn ₹945 simple interest at 7% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
40. 40.The simple interest on ₹7000 for 3 years is ₹1470. What is the rate per year? (a) 21% (b) 6% (c) 8% (d) 7%

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