Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 262 · 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 ₹8000 at 11% per year for 4 years? (a) ₹4400 (b) ₹11520 (c) ₹880 (d) ₹3520
2. 2.In how many years will ₹5000 earn ₹3000 simple interest at 12% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
3. 3.₹7000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹7630 (b) ₹8260 (c) ₹8890 (d) ₹1260
4. 4.₹5000 is invested at 11% per year simple interest. What is the amount after 2 years? (a) ₹1100 (b) ₹5550 (c) ₹6650 (d) ₹6100
5. 5.What is the simple interest on ₹1000 at 6% per year for 2 years? (a) ₹60 (b) ₹1120 (c) ₹120 (d) ₹180
6. 6.What is the simple interest on ₹10000 at 2% per year for 2 years? (a) ₹600 (b) ₹10400 (c) ₹200 (d) ₹400
7. 7.₹7500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹8325 (b) ₹2475 (c) ₹9975 (d) ₹10800
8. 8.The simple interest on ₹9500 for 2 years is ₹760. What is the rate per year? (a) 4% (b) 5% (c) 3% (d) 8%
9. 9.₹1000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹1100 (c) ₹1600 (d) ₹500
10. 10.₹9500 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹10070 (b) ₹2280 (c) ₹12350 (d) ₹11780
11. 11.In how many years will ₹3000 earn ₹450 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 6 years (d) 10 years
12. 12.In how many years will ₹5500 earn ₹660 simple interest at 3% per year? (a) 5 years (b) 8 years (c) 3 years (d) 4 years
13. 13.The simple interest on ₹3000 for 5 years is ₹300. What is the rate per year? (a) 2% (b) 1% (c) 3% (d) 10%
14. 14.The simple interest on ₹5500 for 3 years is ₹1320. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 24%
15. 15.In how many years will ₹6500 earn ₹1560 simple interest at 12% per year? (a) 1 year (b) 3 years (c) 4 years (d) 2 years
16. 16.The simple interest on ₹4000 for 2 years is ₹480. What is the rate per year? (a) 6% (b) 12% (c) 7% (d) 5%
17. 17.What is the simple interest on ₹7500 at 8% per year for 2 years? (a) ₹8700 (b) ₹1800 (c) ₹1200 (d) ₹600
18. 18.What is the simple interest on ₹4000 at 4% per year for 4 years? (a) ₹160 (b) ₹640 (c) ₹4640 (d) ₹800
19. 19.In how many years will ₹2000 earn ₹300 simple interest at 3% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
20. 20.₹4500 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹540 (b) ₹4635 (c) ₹5175 (d) ₹5040
21. 21.The simple interest on ₹8000 for 2 years is ₹480. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 6%
22. 22.₹5000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹200 (b) ₹5300 (c) ₹5200 (d) ₹5100
23. 23.In how many years will ₹2500 earn ₹700 simple interest at 7% per year? (a) 5 years (b) 4 years (c) 8 years (d) 3 years
24. 24.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹3240 (b) ₹120 (c) ₹240 (d) ₹360
25. 25.The simple interest on ₹10000 for 2 years is ₹1600. What is the rate per year? (a) 7% (b) 8% (c) 9% (d) 16%
26. 26.What is the simple interest on ₹10000 at 7% per year for 2 years? (a) ₹700 (b) ₹1400 (c) ₹11400 (d) ₹2100
27. 27.What is the simple interest on ₹1500 at 2% per year for 2 years? (a) ₹1560 (b) ₹30 (c) ₹60 (d) ₹90
28. 28.The simple interest on ₹1500 for 2 years is ₹90. What is the rate per year? (a) 4% (b) 2% (c) 3% (d) 6%
29. 29.In how many years will ₹6000 earn ₹1800 simple interest at 6% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
30. 30.₹1000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹1020 (b) ₹40 (c) ₹1040 (d) ₹1060
31. 31.₹7000 is invested at 10% per year simple interest. What is the amount after 3 years? (a) ₹9100 (b) ₹9800 (c) ₹2100 (d) ₹7700
32. 32.The simple interest on ₹4000 for 4 years is ₹1760. What is the rate per year? (a) 44% (b) 12% (c) 11% (d) 10%
33. 33.The simple interest on ₹1000 for 5 years is ₹550. What is the rate per year? (a) 55% (b) 12% (c) 10% (d) 11%
34. 34.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹7800 (b) ₹8100 (c) ₹600 (d) ₹8400
35. 35.₹3000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹3060 (b) ₹120 (c) ₹3120 (d) ₹3180
36. 36.The simple interest on ₹6500 for 5 years is ₹2275. What is the rate per year? (a) 35% (b) 6% (c) 8% (d) 7%
37. 37.What is the simple interest on ₹5000 at 7% per year for 4 years? (a) ₹1750 (b) ₹6400 (c) ₹350 (d) ₹1400
38. 38.What is the simple interest on ₹3500 at 2% per year for 5 years? (a) ₹3850 (b) ₹70 (c) ₹350 (d) ₹420
39. 39.In how many years will ₹4000 earn ₹1800 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 5 years (d) 10 years
40. 40.The simple interest on ₹7500 for 4 years is ₹3300. What is the rate per year? (a) 44% (b) 12% (c) 10% (d) 11%

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