Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 207 · 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.₹2000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹2300 (b) ₹2060 (c) ₹2240 (d) ₹240
2. 2.What is the simple interest on ₹3000 at 4% per year for 2 years? (a) ₹240 (b) ₹120 (c) ₹3240 (d) ₹360
3. 3.What is the simple interest on ₹9000 at 11% per year for 2 years? (a) ₹10980 (b) ₹2970 (c) ₹1980 (d) ₹990
4. 4.₹8000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹10240 (b) ₹1680 (c) ₹9680 (d) ₹8560
5. 5.What is the simple interest on ₹4500 at 6% per year for 5 years? (a) ₹1350 (b) ₹270 (c) ₹5850 (d) ₹1620
6. 6.In how many years will ₹6000 earn ₹2400 simple interest at 10% per year? (a) 8 years (b) 4 years (c) 3 years (d) 5 years
7. 7.In how many years will ₹7000 earn ₹420 simple interest at 3% per year? (a) 4 years (b) 2 years (c) 1 year (d) 3 years
8. 8.What is the simple interest on ₹2000 at 9% per year for 3 years? (a) ₹720 (b) ₹2540 (c) ₹540 (d) ₹180
9. 9.₹9000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹720 (b) ₹9720 (c) ₹9360 (d) ₹10080
10. 10.What is the simple interest on ₹2500 at 3% per year for 2 years? (a) ₹75 (b) ₹150 (c) ₹225 (d) ₹2650
11. 11.₹7500 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹675 (b) ₹8400 (c) ₹8175 (d) ₹7725
12. 12.What is the simple interest on ₹10000 at 2% per year for 5 years? (a) ₹11000 (b) ₹1000 (c) ₹200 (d) ₹1200
13. 13.₹1000 is invested at 6% per year simple interest. What is the amount after 4 years? (a) ₹1300 (b) ₹1060 (c) ₹240 (d) ₹1240
14. 14.In how many years will ₹1000 earn ₹240 simple interest at 12% per year? (a) 4 years (b) 1 year (c) 2 years (d) 3 years
15. 15.₹4500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹5040 (b) ₹6120 (c) ₹1080 (d) ₹5580
16. 16.In how many years will ₹4000 earn ₹320 simple interest at 4% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years
17. 17.What is the simple interest on ₹2000 at 7% per year for 3 years? (a) ₹140 (b) ₹420 (c) ₹560 (d) ₹2420
18. 18.What is the simple interest on ₹6500 at 12% per year for 3 years? (a) ₹780 (b) ₹8840 (c) ₹2340 (d) ₹3120
19. 19.₹3000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹3360 (c) ₹3540 (d) ₹3180
20. 20.What is the simple interest on ₹4000 at 7% per year for 2 years? (a) ₹280 (b) ₹4560 (c) ₹560 (d) ₹840
21. 21.In how many years will ₹5500 earn ₹3300 simple interest at 12% per year? (a) 10 years (b) 6 years (c) 5 years (d) 4 years
22. 22.What is the simple interest on ₹6000 at 5% per year for 3 years? (a) ₹900 (b) ₹300 (c) ₹1200 (d) ₹6900
23. 23.What is the simple interest on ₹6000 at 12% per year for 4 years? (a) ₹720 (b) ₹2880 (c) ₹8880 (d) ₹3600
24. 24.What is the simple interest on ₹1500 at 6% per year for 3 years? (a) ₹360 (b) ₹270 (c) ₹90 (d) ₹1770
25. 25.What is the simple interest on ₹4500 at 12% per year for 2 years? (a) ₹1620 (b) ₹1080 (c) ₹5580 (d) ₹540
26. 26.What is the simple interest on ₹2500 at 3% per year for 4 years? (a) ₹300 (b) ₹2800 (c) ₹75 (d) ₹375
27. 27.What is the simple interest on ₹3500 at 2% per year for 2 years? (a) ₹140 (b) ₹210 (c) ₹3640 (d) ₹70
28. 28.The simple interest on ₹10000 for 3 years is ₹3600. What is the rate per year? (a) 36% (b) 13% (c) 11% (d) 12%
29. 29.What is the simple interest on ₹7000 at 11% per year for 3 years? (a) ₹2310 (b) ₹3080 (c) ₹9310 (d) ₹770
30. 30.In how many years will ₹3500 earn ₹875 simple interest at 5% per year? (a) 6 years (b) 10 years (c) 4 years (d) 5 years
31. 31.₹10000 is invested at 6% per year simple interest. What is the amount after 2 years? (a) ₹1200 (b) ₹10600 (c) ₹11800 (d) ₹11200
32. 32.₹8000 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹2240 (b) ₹8560 (c) ₹10240 (d) ₹10800
33. 33.₹5500 is invested at 12% per year simple interest. What is the amount after 5 years? (a) ₹8800 (b) ₹9460 (c) ₹3300 (d) ₹6160
34. 34.In how many years will ₹3500 earn ₹770 simple interest at 11% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
35. 35.The simple interest on ₹6000 for 5 years is ₹2100. What is the rate per year? (a) 8% (b) 6% (c) 7% (d) 35%
36. 36.What is the simple interest on ₹2500 at 6% per year for 2 years? (a) ₹2800 (b) ₹150 (c) ₹450 (d) ₹300
37. 37.₹7500 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹7950 (b) ₹7650 (c) ₹300 (d) ₹7800
38. 38.What is the simple interest on ₹5500 at 11% per year for 3 years? (a) ₹1815 (b) ₹7315 (c) ₹605 (d) ₹2420
39. 39.The simple interest on ₹10000 for 3 years is ₹1500. What is the rate per year? (a) 6% (b) 5% (c) 4% (d) 15%
40. 40.What is the simple interest on ₹5500 at 12% per year for 4 years? (a) ₹2640 (b) ₹660 (c) ₹3300 (d) ₹8140

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