Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 437 · 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.The simple interest on ₹1500 for 5 years is ₹825. What is the rate per year? (a) 12% (b) 10% (c) 11% (d) 55%
2. 2.The simple interest on ₹3500 for 2 years is ₹210. What is the rate per year? (a) 2% (b) 6% (c) 4% (d) 3%
3. 3.What is the simple interest on ₹6000 at 3% per year for 5 years? (a) ₹180 (b) ₹900 (c) ₹1080 (d) ₹6900
4. 4.In how many years will ₹8500 earn ₹1275 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
5. 5.What is the simple interest on ₹5500 at 3% per year for 3 years? (a) ₹5995 (b) ₹660 (c) ₹165 (d) ₹495
6. 6.₹2000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹720 (b) ₹2720 (c) ₹2180 (d) ₹2900
7. 7.In how many years will ₹6500 earn ₹1300 simple interest at 4% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
8. 8.₹4000 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹4360 (b) ₹5080 (c) ₹1080 (d) ₹5440
9. 9.In how many years will ₹1000 earn ₹40 simple interest at 2% per year? (a) 1 year (b) 3 years (c) 2 years (d) 4 years
10. 10.The simple interest on ₹9500 for 3 years is ₹2565. What is the rate per year? (a) 8% (b) 9% (c) 10% (d) 27%
11. 11.What is the simple interest on ₹4500 at 3% per year for 2 years? (a) ₹405 (b) ₹135 (c) ₹4770 (d) ₹270
12. 12.₹3000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹4440 (b) ₹3360 (c) ₹4080 (d) ₹1080
13. 13.₹2000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹2220 (b) ₹2660 (c) ₹440 (d) ₹2440
14. 14.The simple interest on ₹5500 for 3 years is ₹1650. What is the rate per year? (a) 9% (b) 10% (c) 11% (d) 30%
15. 15.What is the simple interest on ₹5500 at 6% per year for 2 years? (a) ₹990 (b) ₹660 (c) ₹6160 (d) ₹330
16. 16.In how many years will ₹1500 earn ₹120 simple interest at 4% per year? (a) 1 year (b) 4 years (c) 3 years (d) 2 years
17. 17.What is the simple interest on ₹6000 at 4% per year for 3 years? (a) ₹240 (b) ₹720 (c) ₹960 (d) ₹6720
18. 18.In how many years will ₹4500 earn ₹810 simple interest at 9% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
19. 19.₹5500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹6820 (b) ₹6160 (c) ₹1320 (d) ₹7480
20. 20.₹4000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹4800 (b) ₹5000 (c) ₹800 (d) ₹4200
21. 21.What is the simple interest on ₹6500 at 5% per year for 4 years? (a) ₹1300 (b) ₹325 (c) ₹1625 (d) ₹7800
22. 22.₹1500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹150 (b) ₹1725 (c) ₹1575 (d) ₹1650
23. 23.The simple interest on ₹7500 for 3 years is ₹1350. What is the rate per year? (a) 5% (b) 6% (c) 7% (d) 18%
24. 24.In how many years will ₹10000 earn ₹2400 simple interest at 12% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
25. 25.₹8500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹680 (b) ₹8670 (c) ₹9350 (d) ₹9180
26. 26.₹3000 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹3060 (b) ₹3180 (c) ₹180 (d) ₹3240
27. 27.In how many years will ₹8500 earn ₹1700 simple interest at 5% per year? (a) 3 years (b) 5 years (c) 4 years (d) 8 years
28. 28.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹70 (b) ₹210 (c) ₹3710 (d) ₹280
29. 29.What is the simple interest on ₹5500 at 3% per year for 2 years? (a) ₹165 (b) ₹330 (c) ₹5830 (d) ₹495
30. 30.What is the simple interest on ₹7000 at 11% per year for 5 years? (a) ₹4620 (b) ₹3850 (c) ₹10850 (d) ₹770
31. 31.In how many years will ₹8500 earn ₹2380 simple interest at 7% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
32. 32.₹6500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹7800 (b) ₹7150 (c) ₹8450 (d) ₹1300
33. 33.What is the simple interest on ₹1000 at 2% per year for 4 years? (a) ₹1080 (b) ₹20 (c) ₹100 (d) ₹80
34. 34.₹7000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹8960 (b) ₹1470 (c) ₹8470 (d) ₹7490
35. 35.₹4500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹4815 (b) ₹6075 (c) ₹5760 (d) ₹1260
36. 36.₹6500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1560 (b) ₹8060 (c) ₹7020 (d) ₹8580
37. 37.In how many years will ₹7000 earn ₹1400 simple interest at 4% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
38. 38.₹1500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹1620 (b) ₹120 (c) ₹1680 (d) ₹1560
39. 39.In how many years will ₹2500 earn ₹600 simple interest at 8% per year? (a) 4 years (b) 2 years (c) 6 years (d) 3 years
40. 40.The simple interest on ₹2000 for 2 years is ₹160. What is the rate per year? (a) 4% (b) 5% (c) 8% (d) 3%

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