Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 318 · 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.₹1500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹1740 (c) ₹1620 (d) ₹1860
2. 2.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹70 (b) ₹3640 (c) ₹210 (d) ₹140
3. 3.In how many years will ₹3500 earn ₹1925 simple interest at 11% per year? (a) 10 years (b) 4 years (c) 6 years (d) 5 years
4. 4.In how many years will ₹1000 earn ₹60 simple interest at 2% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
5. 5.₹7000 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹10850 (b) ₹10080 (c) ₹7770 (d) ₹3080
6. 6.₹2500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹600 (b) ₹2800 (c) ₹3400 (d) ₹3100
7. 7.In how many years will ₹3500 earn ₹1575 simple interest at 9% per year? (a) 6 years (b) 10 years (c) 5 years (d) 4 years
8. 8.In how many years will ₹9000 earn ₹1980 simple interest at 11% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
9. 9.₹6500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2925 (b) ₹9425 (c) ₹10010 (d) ₹7085
10. 10.The simple interest on ₹9000 for 2 years is ₹360. What is the rate per year? (a) 4% (b) 3% (c) 2% (d) 1%
11. 11.What is the simple interest on ₹5500 at 9% per year for 3 years? (a) ₹1980 (b) ₹495 (c) ₹6985 (d) ₹1485
12. 12.The simple interest on ₹2500 for 2 years is ₹100. What is the rate per year? (a) 1% (b) 3% (c) 4% (d) 2%
13. 13.The simple interest on ₹10000 for 2 years is ₹600. What is the rate per year? (a) 3% (b) 6% (c) 4% (d) 2%
14. 14.₹3000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4200 (b) ₹3240 (c) ₹1200 (d) ₹4440
15. 15.In how many years will ₹2000 earn ₹900 simple interest at 9% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
16. 16.₹2500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2875 (b) ₹2800 (c) ₹300 (d) ₹2575
17. 17.₹8000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1280 (b) ₹9280 (c) ₹8320 (d) ₹9600
18. 18.What is the simple interest on ₹4000 at 8% per year for 4 years? (a) ₹1280 (b) ₹1600 (c) ₹5280 (d) ₹320
19. 19.In how many years will ₹9500 earn ₹950 simple interest at 5% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
20. 20.₹2500 is invested at 9% per year simple interest. What is the amount after 3 years? (a) ₹2725 (b) ₹3175 (c) ₹675 (d) ₹3400
21. 21.In how many years will ₹6000 earn ₹1200 simple interest at 5% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
22. 22.₹5000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹8000 (b) ₹5500 (c) ₹2500 (d) ₹7500
23. 23.₹1500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1725 (b) ₹1680 (c) ₹180 (d) ₹1545
24. 24.₹1000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹120 (b) ₹1150 (c) ₹1120 (d) ₹1030
25. 25.₹8500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹9010 (b) ₹8840 (c) ₹8670 (d) ₹340
26. 26.The simple interest on ₹6000 for 2 years is ₹480. What is the rate per year? (a) 4% (b) 8% (c) 3% (d) 5%
27. 27.In how many years will ₹2000 earn ₹880 simple interest at 11% per year? (a) 8 years (b) 3 years (c) 4 years (d) 5 years
28. 28.In how many years will ₹7500 earn ₹900 simple interest at 6% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
29. 29.What is the simple interest on ₹3500 at 12% per year for 5 years? (a) ₹2100 (b) ₹5600 (c) ₹420 (d) ₹2520
30. 30.The simple interest on ₹7000 for 5 years is ₹3850. What is the rate per year? (a) 12% (b) 11% (c) 55% (d) 10%
31. 31.What is the simple interest on ₹8000 at 5% per year for 3 years? (a) ₹1200 (b) ₹9200 (c) ₹1600 (d) ₹400
32. 32.In how many years will ₹8000 earn ₹2160 simple interest at 9% per year? (a) 4 years (b) 6 years (c) 3 years (d) 2 years
33. 33.The simple interest on ₹3500 for 4 years is ₹1680. What is the rate per year? (a) 48% (b) 13% (c) 12% (d) 11%
34. 34.In how many years will ₹3000 earn ₹240 simple interest at 4% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
35. 35.The simple interest on ₹4000 for 3 years is ₹960. What is the rate per year? (a) 8% (b) 24% (c) 7% (d) 9%
36. 36.What is the simple interest on ₹6500 at 10% per year for 5 years? (a) ₹650 (b) ₹3900 (c) ₹3250 (d) ₹9750
37. 37.The simple interest on ₹6000 for 3 years is ₹1440. What is the rate per year? (a) 9% (b) 24% (c) 8% (d) 7%
38. 38.The simple interest on ₹7000 for 2 years is ₹840. What is the rate per year? (a) 7% (b) 12% (c) 5% (d) 6%
39. 39.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4860 (b) ₹6660 (c) ₹1800 (d) ₹6300
40. 40.What is the simple interest on ₹9500 at 8% per year for 5 years? (a) ₹3800 (b) ₹13300 (c) ₹4560 (d) ₹760

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