Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 894 · 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 ₹7500 for 2 years is ₹750. What is the rate per year? (a) 10% (b) 5% (c) 4% (d) 6%
2. 2.₹1500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹1545 (b) ₹180 (c) ₹1680 (d) ₹1725
3. 3.In how many years will ₹7500 earn ₹1350 simple interest at 9% per year? (a) 1 year (b) 2 years (c) 4 years (d) 3 years
4. 4.The simple interest on ₹3500 for 2 years is ₹280. What is the rate per year? (a) 8% (b) 4% (c) 5% (d) 3%
5. 5.What is the simple interest on ₹7000 at 11% per year for 3 years? (a) ₹770 (b) ₹2310 (c) ₹9310 (d) ₹3080
6. 6.What is the simple interest on ₹1500 at 5% per year for 3 years? (a) ₹75 (b) ₹300 (c) ₹1725 (d) ₹225
7. 7.What is the simple interest on ₹7000 at 6% per year for 5 years? (a) ₹9100 (b) ₹2100 (c) ₹420 (d) ₹2520
8. 8.The simple interest on ₹5500 for 3 years is ₹1980. What is the rate per year? (a) 36% (b) 11% (c) 12% (d) 13%
9. 9.₹7500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹450 (b) ₹8100 (c) ₹7650 (d) ₹7950
10. 10.₹2500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹3250 (b) ₹2650 (c) ₹3400 (d) ₹750
11. 11.₹8000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹960 (b) ₹8960 (c) ₹8320 (d) ₹9280
12. 12.₹3500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹3920 (b) ₹5600 (c) ₹1680 (d) ₹5180
13. 13.The simple interest on ₹6500 for 2 years is ₹520. What is the rate per year? (a) 4% (b) 3% (c) 5% (d) 8%
14. 14.₹8500 is invested at 5% per year simple interest. What is the amount after 3 years? (a) ₹1275 (b) ₹10200 (c) ₹9775 (d) ₹8925
15. 15.₹7500 is invested at 5% per year simple interest. What is the amount after 5 years? (a) ₹1875 (b) ₹9750 (c) ₹9375 (d) ₹7875
16. 16.In how many years will ₹6000 earn ₹1200 simple interest at 4% per year? (a) 4 years (b) 6 years (c) 5 years (d) 10 years
17. 17.The simple interest on ₹6500 for 2 years is ₹780. What is the rate per year? (a) 12% (b) 5% (c) 6% (d) 7%
18. 18.What is the simple interest on ₹9500 at 8% per year for 2 years? (a) ₹2280 (b) ₹760 (c) ₹1520 (d) ₹11020
19. 19.In how many years will ₹5500 earn ₹1100 simple interest at 4% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
20. 20.₹6000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹8100 (b) ₹7680 (c) ₹1680 (d) ₹6420
21. 21.The simple interest on ₹5500 for 2 years is ₹220. What is the rate per year? (a) 1% (b) 2% (c) 4% (d) 3%
22. 22.In how many years will ₹7500 earn ₹3000 simple interest at 8% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
23. 23.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹120 (b) ₹1650 (c) ₹1530 (d) ₹1620
24. 24.₹6500 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹7865 (b) ₹1365 (c) ₹6955 (d) ₹8320
25. 25.In how many years will ₹3500 earn ₹980 simple interest at 7% per year? (a) 4 years (b) 5 years (c) 8 years (d) 3 years
26. 26.₹6000 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1200 (b) ₹7200 (c) ₹7800 (d) ₹6600
27. 27.₹8000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹8800 (b) ₹2400 (c) ₹10400 (d) ₹11200
28. 28.In how many years will ₹6500 earn ₹390 simple interest at 3% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
29. 29.In how many years will ₹10000 earn ₹3000 simple interest at 10% per year? (a) 2 years (b) 6 years (c) 3 years (d) 4 years
30. 30.₹1000 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹160 (b) ₹1040 (c) ₹1200 (d) ₹1160
31. 31.₹6500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹6760 (b) ₹6630 (c) ₹6890 (d) ₹260
32. 32.In how many years will ₹5000 earn ₹600 simple interest at 4% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
33. 33.What is the simple interest on ₹4500 at 9% per year for 4 years? (a) ₹6120 (b) ₹1620 (c) ₹2025 (d) ₹405
34. 34.₹3000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹3360 (b) ₹3060 (c) ₹300 (d) ₹3300
35. 35.₹4500 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹6300 (b) ₹1800 (c) ₹6660 (d) ₹4860
36. 36.What is the simple interest on ₹7500 at 4% per year for 5 years? (a) ₹1800 (b) ₹9000 (c) ₹300 (d) ₹1500
37. 37.What is the simple interest on ₹9500 at 2% per year for 4 years? (a) ₹760 (b) ₹10260 (c) ₹190 (d) ₹950
38. 38.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹40 (b) ₹1020 (c) ₹1040 (d) ₹1060
39. 39.₹6000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹1800 (b) ₹6600 (c) ₹8400 (d) ₹7800
40. 40.In how many years will ₹2000 earn ₹500 simple interest at 5% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years

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