Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 936 · 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.₹6000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹6540 (b) ₹360 (c) ₹6360 (d) ₹6180
2. 2.₹3000 is invested at 3% per year simple interest. What is the amount after 4 years? (a) ₹3360 (b) ₹360 (c) ₹3090 (d) ₹3450
3. 3.In how many years will ₹5000 earn ₹2500 simple interest at 10% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
4. 4.What is the simple interest on ₹9500 at 12% per year for 2 years? (a) ₹11780 (b) ₹1140 (c) ₹2280 (d) ₹3420
5. 5.₹1500 is invested at 12% per year simple interest. What is the amount after 4 years? (a) ₹720 (b) ₹2400 (c) ₹2220 (d) ₹1680
6. 6.The simple interest on ₹1500 for 3 years is ₹450. What is the rate per year? (a) 10% (b) 9% (c) 11% (d) 30%
7. 7.₹10000 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹13200 (b) ₹2400 (c) ₹12400 (d) ₹10800
8. 8.The simple interest on ₹1500 for 3 years is ₹225. What is the rate per year? (a) 4% (b) 6% (c) 5% (d) 15%
9. 9.In how many years will ₹7500 earn ₹2625 simple interest at 7% per year? (a) 10 years (b) 4 years (c) 5 years (d) 6 years
10. 10.The simple interest on ₹8500 for 5 years is ₹850. What is the rate per year? (a) 10% (b) 2% (c) 1% (d) 3%
11. 11.What is the simple interest on ₹3000 at 4% per year for 4 years? (a) ₹480 (b) ₹600 (c) ₹120 (d) ₹3480
12. 12.In how many years will ₹6500 earn ₹975 simple interest at 3% per year? (a) 4 years (b) 5 years (c) 10 years (d) 6 years
13. 13.What is the simple interest on ₹4000 at 12% per year for 4 years? (a) ₹480 (b) ₹1920 (c) ₹2400 (d) ₹5920
14. 14.What is the simple interest on ₹7000 at 12% per year for 3 years? (a) ₹9520 (b) ₹3360 (c) ₹840 (d) ₹2520
15. 15.₹10000 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹10900 (b) ₹15400 (c) ₹14500 (d) ₹4500
16. 16.In how many years will ₹7000 earn ₹2450 simple interest at 7% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
17. 17.The simple interest on ₹8000 for 5 years is ₹2800. What is the rate per year? (a) 6% (b) 8% (c) 7% (d) 35%
18. 18.The simple interest on ₹5500 for 4 years is ₹1540. What is the rate per year? (a) 8% (b) 28% (c) 7% (d) 6%
19. 19.In how many years will ₹7000 earn ₹1470 simple interest at 7% per year? (a) 4 years (b) 3 years (c) 2 years (d) 6 years
20. 20.What is the simple interest on ₹3500 at 4% per year for 5 years? (a) ₹4200 (b) ₹700 (c) ₹140 (d) ₹840
21. 21.₹4000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹4240 (b) ₹4360 (c) ₹4120 (d) ₹240
22. 22.What is the simple interest on ₹7000 at 3% per year for 5 years? (a) ₹210 (b) ₹1260 (c) ₹8050 (d) ₹1050
23. 23.₹3500 is invested at 7% per year simple interest. What is the amount after 4 years? (a) ₹980 (b) ₹4725 (c) ₹3745 (d) ₹4480
24. 24.₹8500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹1360 (b) ₹10200 (c) ₹9860 (d) ₹8840
25. 25.What is the simple interest on ₹4000 at 11% per year for 2 years? (a) ₹1320 (b) ₹440 (c) ₹4880 (d) ₹880
26. 26.₹7500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹8100 (b) ₹7800 (c) ₹8400 (d) ₹600
27. 27.₹9500 is invested at 8% per year simple interest. What is the amount after 2 years? (a) ₹11780 (b) ₹10260 (c) ₹1520 (d) ₹11020
28. 28.In how many years will ₹7500 earn ₹675 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 4 years (d) 6 years
29. 29.What is the simple interest on ₹1500 at 6% per year for 3 years? (a) ₹90 (b) ₹270 (c) ₹1770 (d) ₹360
30. 30.What is the simple interest on ₹2500 at 11% per year for 4 years? (a) ₹1100 (b) ₹1375 (c) ₹3600 (d) ₹275
31. 31.What is the simple interest on ₹5000 at 2% per year for 2 years? (a) ₹200 (b) ₹100 (c) ₹300 (d) ₹5200
32. 32.What is the simple interest on ₹7000 at 4% per year for 2 years? (a) ₹280 (b) ₹7560 (c) ₹560 (d) ₹840
33. 33.In how many years will ₹1000 earn ₹90 simple interest at 3% per year? (a) 3 years (b) 2 years (c) 6 years (d) 4 years
34. 34.The simple interest on ₹9500 for 4 years is ₹4560. What is the rate per year? (a) 48% (b) 12% (c) 11% (d) 13%
35. 35.₹2500 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹350 (b) ₹2675 (c) ₹3025 (d) ₹2850
36. 36.In how many years will ₹10000 earn ₹5500 simple interest at 11% per year? (a) 4 years (b) 10 years (c) 5 years (d) 6 years
37. 37.What is the simple interest on ₹3000 at 10% per year for 3 years? (a) ₹1200 (b) ₹300 (c) ₹3900 (d) ₹900
38. 38.₹4500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹360 (b) ₹4680 (c) ₹4860 (d) ₹5040
39. 39.The simple interest on ₹1500 for 5 years is ₹600. What is the rate per year? (a) 9% (b) 8% (c) 40% (d) 7%
40. 40.The simple interest on ₹1000 for 3 years is ₹90. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 9%

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