Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 798 · 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.₹9000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹11430 (b) ₹9810 (c) ₹10620 (d) ₹1620
2. 2.What is the simple interest on ₹8500 at 2% per year for 2 years? (a) ₹510 (b) ₹170 (c) ₹340 (d) ₹8840
3. 3.What is the simple interest on ₹2000 at 2% per year for 5 years? (a) ₹40 (b) ₹2200 (c) ₹200 (d) ₹240
4. 4.₹1000 is invested at 4% per year simple interest. What is the amount after 5 years? (a) ₹1040 (b) ₹200 (c) ₹1240 (d) ₹1200
5. 5.What is the simple interest on ₹3000 at 5% per year for 3 years? (a) ₹600 (b) ₹150 (c) ₹450 (d) ₹3450
6. 6.₹9500 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹10640 (b) ₹9880 (c) ₹1140 (d) ₹11020
7. 7.What is the simple interest on ₹6000 at 10% per year for 5 years? (a) ₹3000 (b) ₹3600 (c) ₹600 (d) ₹9000
8. 8.What is the simple interest on ₹6000 at 10% per year for 3 years? (a) ₹7800 (b) ₹1800 (c) ₹2400 (d) ₹600
9. 9.What is the simple interest on ₹2500 at 9% per year for 2 years? (a) ₹675 (b) ₹2950 (c) ₹450 (d) ₹225
10. 10.In how many years will ₹9500 earn ₹1995 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 3 years (d) 6 years
11. 11.In how many years will ₹4000 earn ₹720 simple interest at 6% per year? (a) 4 years (b) 2 years (c) 3 years (d) 6 years
12. 12.What is the simple interest on ₹4500 at 6% per year for 2 years? (a) ₹5040 (b) ₹270 (c) ₹540 (d) ₹810
13. 13.₹4000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹4360 (b) ₹4720 (c) ₹720 (d) ₹5080
14. 14.The simple interest on ₹3500 for 4 years is ₹420. What is the rate per year? (a) 4% (b) 12% (c) 2% (d) 3%
15. 15.₹1000 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹600 (b) ₹1120 (c) ₹1720 (d) ₹1600
16. 16.In how many years will ₹2500 earn ₹825 simple interest at 11% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
17. 17.₹3000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹3240 (b) ₹3360 (c) ₹240 (d) ₹3120
18. 18.In how many years will ₹5500 earn ₹2200 simple interest at 10% per year? (a) 4 years (b) 3 years (c) 8 years (d) 5 years
19. 19.What is the simple interest on ₹7500 at 5% per year for 2 years? (a) ₹1125 (b) ₹8250 (c) ₹375 (d) ₹750
20. 20.In how many years will ₹8000 earn ₹480 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 2 years (d) 3 years
21. 21.₹5500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹5885 (b) ₹7425 (c) ₹1925 (d) ₹7810
22. 22.The simple interest on ₹1000 for 3 years is ₹120. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 12%
23. 23.What is the simple interest on ₹9500 at 4% per year for 2 years? (a) ₹760 (b) ₹380 (c) ₹10260 (d) ₹1140
24. 24.₹1500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹450 (b) ₹1590 (c) ₹1950 (d) ₹2040
25. 25.The simple interest on ₹1500 for 5 years is ₹450. What is the rate per year? (a) 30% (b) 6% (c) 5% (d) 7%
26. 26.In how many years will ₹5500 earn ₹1320 simple interest at 12% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
27. 27.What is the simple interest on ₹3000 at 3% per year for 3 years? (a) ₹360 (b) ₹3270 (c) ₹90 (d) ₹270
28. 28.What is the simple interest on ₹4000 at 8% per year for 2 years? (a) ₹640 (b) ₹960 (c) ₹4640 (d) ₹320
29. 29.What is the simple interest on ₹8000 at 3% per year for 4 years? (a) ₹960 (b) ₹8960 (c) ₹240 (d) ₹1200
30. 30.₹8500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹11220 (b) ₹2040 (c) ₹9180 (d) ₹10540
31. 31.The simple interest on ₹8500 for 5 years is ₹1275. What is the rate per year? (a) 15% (b) 4% (c) 3% (d) 2%
32. 32.₹1500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹1530 (b) ₹1620 (c) ₹90 (d) ₹1590
33. 33.The simple interest on ₹2500 for 3 years is ₹225. What is the rate per year? (a) 3% (b) 9% (c) 2% (d) 4%
34. 34.In how many years will ₹2000 earn ₹900 simple interest at 9% per year? (a) 6 years (b) 5 years (c) 4 years (d) 10 years
35. 35.In how many years will ₹7500 earn ₹2250 simple interest at 10% per year? (a) 3 years (b) 4 years (c) 2 years (d) 6 years
36. 36.₹1000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1080 (b) ₹1100 (c) ₹80 (d) ₹1020
37. 37.₹7000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹560 (b) ₹7560 (c) ₹7280 (d) ₹7840
38. 38.The simple interest on ₹6500 for 4 years is ₹520. What is the rate per year? (a) 1% (b) 2% (c) 3% (d) 8%
39. 39.₹2000 is invested at 5% per year simple interest. What is the amount after 4 years? (a) ₹2100 (b) ₹400 (c) ₹2500 (d) ₹2400
40. 40.The simple interest on ₹4500 for 2 years is ₹630. What is the rate per year? (a) 14% (b) 7% (c) 8% (d) 6%

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