Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 948 · 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.₹5000 is invested at 3% per year simple interest. What is the amount after 3 years? (a) ₹5150 (b) ₹5450 (c) ₹450 (d) ₹5600
2. 2.In how many years will ₹4500 earn ₹945 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
3. 3.The simple interest on ₹9000 for 5 years is ₹2250. What is the rate per year? (a) 4% (b) 5% (c) 25% (d) 6%
4. 4.In how many years will ₹9500 earn ₹760 simple interest at 4% per year? (a) 2 years (b) 4 years (c) 1 year (d) 3 years
5. 5.What is the simple interest on ₹10000 at 2% per year for 3 years? (a) ₹10600 (b) ₹200 (c) ₹800 (d) ₹600
6. 6.What is the simple interest on ₹5000 at 4% per year for 3 years? (a) ₹800 (b) ₹5600 (c) ₹600 (d) ₹200
7. 7.What is the simple interest on ₹1500 at 3% per year for 4 years? (a) ₹45 (b) ₹180 (c) ₹1680 (d) ₹225
8. 8.What is the simple interest on ₹6000 at 6% per year for 5 years? (a) ₹7800 (b) ₹1800 (c) ₹360 (d) ₹2160
9. 9.What is the simple interest on ₹5000 at 2% per year for 3 years? (a) ₹100 (b) ₹400 (c) ₹5300 (d) ₹300
10. 10.₹10000 is invested at 2% per year simple interest. What is the amount after 5 years? (a) ₹11200 (b) ₹11000 (c) ₹10200 (d) ₹1000
11. 11.What is the simple interest on ₹9500 at 10% per year for 5 years? (a) ₹5700 (b) ₹4750 (c) ₹950 (d) ₹14250
12. 12.What is the simple interest on ₹5000 at 8% per year for 3 years? (a) ₹1200 (b) ₹400 (c) ₹6200 (d) ₹1600
13. 13.₹9000 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹10080 (b) ₹12240 (c) ₹2160 (d) ₹11160
14. 14.In how many years will ₹10000 earn ₹5000 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
15. 15.₹1000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹1360 (b) ₹1120 (c) ₹1480 (d) ₹360
16. 16.What is the simple interest on ₹4500 at 2% per year for 2 years? (a) ₹180 (b) ₹90 (c) ₹4680 (d) ₹270
17. 17.₹9500 is invested at 10% per year simple interest. What is the amount after 2 years? (a) ₹1900 (b) ₹10450 (c) ₹12350 (d) ₹11400
18. 18.₹7000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹2520 (b) ₹10150 (c) ₹7630 (d) ₹9520
19. 19.What is the simple interest on ₹3000 at 12% per year for 2 years? (a) ₹720 (b) ₹1080 (c) ₹3720 (d) ₹360
20. 20.₹3000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹4800 (c) ₹3300 (d) ₹4500
21. 21.The simple interest on ₹1500 for 2 years is ₹180. What is the rate per year? (a) 7% (b) 5% (c) 6% (d) 12%
22. 22.In how many years will ₹1500 earn ₹120 simple interest at 2% per year? (a) 8 years (b) 3 years (c) 5 years (d) 4 years
23. 23.What is the simple interest on ₹2000 at 12% per year for 5 years? (a) ₹1200 (b) ₹240 (c) ₹3200 (d) ₹1440
24. 24.₹1000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹1210 (b) ₹1070 (c) ₹210 (d) ₹1280
25. 25.₹8000 is invested at 8% per year simple interest. What is the amount after 5 years? (a) ₹8640 (b) ₹3200 (c) ₹11200 (d) ₹11840
26. 26.₹10000 is invested at 12% per year simple interest. What is the amount after 3 years? (a) ₹11200 (b) ₹3600 (c) ₹14800 (d) ₹13600
27. 27.What is the simple interest on ₹3000 at 2% per year for 2 years? (a) ₹120 (b) ₹180 (c) ₹60 (d) ₹3120
28. 28.The simple interest on ₹5500 for 5 years is ₹1100. What is the rate per year? (a) 4% (b) 3% (c) 20% (d) 5%
29. 29.In how many years will ₹3500 earn ₹420 simple interest at 6% per year? (a) 3 years (b) 1 year (c) 4 years (d) 2 years
30. 30.₹3500 is invested at 12% per year simple interest. What is the amount after 2 years? (a) ₹840 (b) ₹3920 (c) ₹4340 (d) ₹4760
31. 31.What is the simple interest on ₹7500 at 6% per year for 3 years? (a) ₹1800 (b) ₹8850 (c) ₹450 (d) ₹1350
32. 32.What is the simple interest on ₹9000 at 9% per year for 2 years? (a) ₹10620 (b) ₹2430 (c) ₹810 (d) ₹1620
33. 33.₹6500 is invested at 11% per year simple interest. What is the amount after 3 years? (a) ₹8645 (b) ₹9360 (c) ₹2145 (d) ₹7215
34. 34.What is the simple interest on ₹9000 at 3% per year for 2 years? (a) ₹540 (b) ₹9540 (c) ₹270 (d) ₹810
35. 35.What is the simple interest on ₹7000 at 7% per year for 4 years? (a) ₹2450 (b) ₹490 (c) ₹1960 (d) ₹8960
36. 36.₹8000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹8800 (b) ₹4000 (c) ₹12000 (d) ₹12800
37. 37.What is the simple interest on ₹2500 at 10% per year for 2 years? (a) ₹750 (b) ₹250 (c) ₹3000 (d) ₹500
38. 38.What is the simple interest on ₹1500 at 6% per year for 2 years? (a) ₹1680 (b) ₹270 (c) ₹180 (d) ₹90
39. 39.₹9000 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹9180 (b) ₹720 (c) ₹9720 (d) ₹9900
40. 40.In how many years will ₹4500 earn ₹720 simple interest at 8% per year? (a) 2 years (b) 3 years (c) 1 year (d) 4 years

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