Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 839 · 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.In how many years will ₹7000 earn ₹700 simple interest at 5% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
2. 2.What is the simple interest on ₹8000 at 7% per year for 4 years? (a) ₹560 (b) ₹2800 (c) ₹2240 (d) ₹10240
3. 3.What is the simple interest on ₹2000 at 12% per year for 2 years? (a) ₹480 (b) ₹2480 (c) ₹240 (d) ₹720
4. 4.₹3000 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3480 (b) ₹3720 (c) ₹3240 (d) ₹480
5. 5.In how many years will ₹3000 earn ₹840 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 5 years (d) 8 years
6. 6.₹3000 is invested at 9% per year simple interest. What is the amount after 2 years? (a) ₹3540 (b) ₹3270 (c) ₹540 (d) ₹3810
7. 7.In how many years will ₹3500 earn ₹1400 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
8. 8.₹5500 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹5830 (b) ₹660 (c) ₹6490 (d) ₹6160
9. 9.₹3500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹4725 (b) ₹4480 (c) ₹980 (d) ₹3745
10. 10.₹9500 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹14250 (b) ₹3800 (c) ₹10450 (d) ₹13300
11. 11.₹8000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹8480 (b) ₹8720 (c) ₹480 (d) ₹8240
12. 12.₹2500 is invested at 7% per year simple interest. What is the amount after 5 years? (a) ₹2675 (b) ₹875 (c) ₹3375 (d) ₹3550
13. 13.₹2000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹2080 (b) ₹240 (c) ₹2240 (d) ₹2320
14. 14.₹3500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹3780 (b) ₹560 (c) ₹4340 (d) ₹4060
15. 15.The simple interest on ₹4000 for 2 years is ₹800. What is the rate per year? (a) 9% (b) 11% (c) 10% (d) 20%
16. 16.₹6500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹10400 (b) ₹3120 (c) ₹7280 (d) ₹9620
17. 17.₹10000 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹4800 (b) ₹11200 (c) ₹14800 (d) ₹16000
18. 18.What is the simple interest on ₹3500 at 11% per year for 5 years? (a) ₹1925 (b) ₹385 (c) ₹2310 (d) ₹5425
19. 19.₹7500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹8325 (b) ₹2475 (c) ₹9975 (d) ₹10800
20. 20.In how many years will ₹5500 earn ₹990 simple interest at 9% per year? (a) 4 years (b) 2 years (c) 3 years (d) 1 year
21. 21.What is the simple interest on ₹8000 at 11% per year for 2 years? (a) ₹880 (b) ₹2640 (c) ₹9760 (d) ₹1760
22. 22.What is the simple interest on ₹9500 at 3% per year for 2 years? (a) ₹10070 (b) ₹285 (c) ₹855 (d) ₹570
23. 23.In how many years will ₹4000 earn ₹240 simple interest at 2% per year? (a) 6 years (b) 4 years (c) 3 years (d) 2 years
24. 24.What is the simple interest on ₹7500 at 9% per year for 4 years? (a) ₹675 (b) ₹10200 (c) ₹2700 (d) ₹3375
25. 25.What is the simple interest on ₹3500 at 11% per year for 3 years? (a) ₹1155 (b) ₹4655 (c) ₹385 (d) ₹1540
26. 26.In how many years will ₹8500 earn ₹2975 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
27. 27.The simple interest on ₹8500 for 5 years is ₹2975. What is the rate per year? (a) 6% (b) 35% (c) 8% (d) 7%
28. 28.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹1260 (b) ₹420 (c) ₹840 (d) ₹4340
29. 29.What is the simple interest on ₹6500 at 5% per year for 2 years? (a) ₹7150 (b) ₹325 (c) ₹650 (d) ₹975
30. 30.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹3480 (b) ₹600 (c) ₹120 (d) ₹480
31. 31.What is the simple interest on ₹3000 at 11% per year for 5 years? (a) ₹330 (b) ₹1980 (c) ₹1650 (d) ₹4650
32. 32.In how many years will ₹8500 earn ₹1870 simple interest at 11% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
33. 33.What is the simple interest on ₹2500 at 2% per year for 4 years? (a) ₹50 (b) ₹200 (c) ₹250 (d) ₹2700
34. 34.In how many years will ₹10000 earn ₹1600 simple interest at 8% per year? (a) 4 years (b) 3 years (c) 1 year (d) 2 years
35. 35.The simple interest on ₹5500 for 5 years is ₹1100. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 20%
36. 36.The simple interest on ₹5000 for 2 years is ₹600. What is the rate per year? (a) 7% (b) 12% (c) 5% (d) 6%
37. 37.In how many years will ₹7500 earn ₹2250 simple interest at 6% per year? (a) 5 years (b) 10 years (c) 6 years (d) 4 years
38. 38.What is the simple interest on ₹7500 at 2% per year for 4 years? (a) ₹150 (b) ₹750 (c) ₹600 (d) ₹8100
39. 39.In how many years will ₹4000 earn ₹1280 simple interest at 8% per year? (a) 3 years (b) 5 years (c) 8 years (d) 4 years
40. 40.₹10000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹4000 (b) ₹14000 (c) ₹10800 (d) ₹14800

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