Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 727 · 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 ₹7000 at 6% per year for 4 years? (a) ₹1680 (b) ₹420 (c) ₹8680 (d) ₹2100
2. 2.What is the simple interest on ₹9000 at 7% per year for 2 years? (a) ₹1890 (b) ₹10260 (c) ₹630 (d) ₹1260
3. 3.What is the simple interest on ₹10000 at 2% per year for 4 years? (a) ₹800 (b) ₹1000 (c) ₹200 (d) ₹10800
4. 4.In how many years will ₹3500 earn ₹210 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
5. 5.What is the simple interest on ₹2500 at 12% per year for 4 years? (a) ₹1500 (b) ₹3700 (c) ₹300 (d) ₹1200
6. 6.The simple interest on ₹3000 for 3 years is ₹810. What is the rate per year? (a) 10% (b) 27% (c) 9% (d) 8%
7. 7.What is the simple interest on ₹10000 at 7% per year for 5 years? (a) ₹700 (b) ₹4200 (c) ₹13500 (d) ₹3500
8. 8.What is the simple interest on ₹6500 at 6% per year for 5 years? (a) ₹1950 (b) ₹390 (c) ₹8450 (d) ₹2340
9. 9.In how many years will ₹3000 earn ₹990 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
10. 10.The simple interest on ₹7500 for 4 years is ₹3300. What is the rate per year? (a) 44% (b) 11% (c) 10% (d) 12%
11. 11.The simple interest on ₹1500 for 2 years is ₹240. What is the rate per year? (a) 9% (b) 7% (c) 16% (d) 8%
12. 12.The simple interest on ₹2000 for 2 years is ₹360. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
13. 13.₹3500 is invested at 11% per year simple interest. What is the amount after 5 years? (a) ₹3885 (b) ₹5425 (c) ₹1925 (d) ₹5810
14. 14.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹360 (b) ₹3240 (c) ₹120 (d) ₹240
15. 15.The simple interest on ₹8500 for 3 years is ₹1530. What is the rate per year? (a) 6% (b) 5% (c) 7% (d) 18%
16. 16.The simple interest on ₹3500 for 4 years is ₹1680. What is the rate per year? (a) 48% (b) 11% (c) 13% (d) 12%
17. 17.In how many years will ₹3500 earn ₹1575 simple interest at 9% per year? (a) 5 years (b) 10 years (c) 4 years (d) 6 years
18. 18.₹7500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹9000 (b) ₹1125 (c) ₹8625 (d) ₹7875
19. 19.In how many years will ₹4000 earn ₹400 simple interest at 2% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
20. 20.The simple interest on ₹6500 for 2 years is ₹1560. What is the rate per year? (a) 11% (b) 12% (c) 13% (d) 24%
21. 21.₹9500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹10545 (b) ₹13680 (c) ₹14725 (d) ₹4180
22. 22.The simple interest on ₹8000 for 4 years is ₹960. What is the rate per year? (a) 12% (b) 2% (c) 4% (d) 3%
23. 23.What is the simple interest on ₹7500 at 9% per year for 2 years? (a) ₹1350 (b) ₹675 (c) ₹2025 (d) ₹8850
24. 24.₹6500 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹3250 (b) ₹7150 (c) ₹10400 (d) ₹9750
25. 25.What is the simple interest on ₹2500 at 7% per year for 3 years? (a) ₹525 (b) ₹175 (c) ₹3025 (d) ₹700
26. 26.In how many years will ₹8500 earn ₹850 simple interest at 5% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
27. 27.In how many years will ₹1500 earn ₹150 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
28. 28.What is the simple interest on ₹9500 at 12% per year for 3 years? (a) ₹1140 (b) ₹4560 (c) ₹12920 (d) ₹3420
29. 29.The simple interest on ₹7500 for 5 years is ₹1125. What is the rate per year? (a) 2% (b) 3% (c) 15% (d) 4%
30. 30.₹3500 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹3920 (b) ₹4760 (c) ₹5180 (d) ₹1260
31. 31.₹2500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹3000 (b) ₹2750 (c) ₹3250 (d) ₹500
32. 32.₹1500 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹225 (b) ₹1545 (c) ₹1770 (d) ₹1725
33. 33.What is the simple interest on ₹4000 at 8% per year for 5 years? (a) ₹320 (b) ₹1600 (c) ₹1920 (d) ₹5600
34. 34.₹7500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3600 (b) ₹12000 (c) ₹11100 (d) ₹8400
35. 35.What is the simple interest on ₹7000 at 12% per year for 5 years? (a) ₹840 (b) ₹11200 (c) ₹4200 (d) ₹5040
36. 36.The simple interest on ₹6500 for 5 years is ₹1625. What is the rate per year? (a) 6% (b) 5% (c) 25% (d) 4%
37. 37.₹2000 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹660 (b) ₹2220 (c) ₹2880 (d) ₹2660
38. 38.₹4500 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹5985 (b) ₹5490 (c) ₹990 (d) ₹4995
39. 39.In how many years will ₹7000 earn ₹1960 simple interest at 7% per year? (a) 5 years (b) 3 years (c) 4 years (d) 8 years
40. 40.What is the simple interest on ₹4000 at 2% per year for 4 years? (a) ₹400 (b) ₹80 (c) ₹320 (d) ₹4320

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