Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 656 · 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 ₹3500 at 9% per year for 2 years? (a) ₹315 (b) ₹630 (c) ₹945 (d) ₹4130
2. 2.The simple interest on ₹2000 for 4 years is ₹480. What is the rate per year? (a) 7% (b) 24% (c) 6% (d) 5%
3. 3.What is the simple interest on ₹5500 at 2% per year for 4 years? (a) ₹550 (b) ₹110 (c) ₹440 (d) ₹5940
4. 4.What is the simple interest on ₹8000 at 10% per year for 2 years? (a) ₹9600 (b) ₹1600 (c) ₹2400 (d) ₹800
5. 5.The simple interest on ₹5000 for 3 years is ₹1800. What is the rate per year? (a) 36% (b) 12% (c) 13% (d) 11%
6. 6.In how many years will ₹2000 earn ₹440 simple interest at 11% per year? (a) 4 years (b) 3 years (c) 2 years (d) 1 year
7. 7.What is the simple interest on ₹3500 at 2% per year for 5 years? (a) ₹420 (b) ₹3850 (c) ₹350 (d) ₹70
8. 8.The simple interest on ₹2000 for 3 years is ₹540. What is the rate per year? (a) 8% (b) 10% (c) 9% (d) 27%
9. 9.₹1500 is invested at 2% per year simple interest. What is the amount after 4 years? (a) ₹1650 (b) ₹120 (c) ₹1620 (d) ₹1530
10. 10.What is the simple interest on ₹8500 at 4% per year for 2 years? (a) ₹1020 (b) ₹680 (c) ₹340 (d) ₹9180
11. 11.The simple interest on ₹2500 for 2 years is ₹600. What is the rate per year? (a) 24% (b) 11% (c) 12% (d) 13%
12. 12.In how many years will ₹5500 earn ₹2640 simple interest at 12% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
13. 13.The simple interest on ₹6500 for 2 years is ₹1170. What is the rate per year? (a) 8% (b) 18% (c) 9% (d) 10%
14. 14.What is the simple interest on ₹3500 at 12% per year for 2 years? (a) ₹4340 (b) ₹420 (c) ₹1260 (d) ₹840
15. 15.What is the simple interest on ₹8000 at 5% per year for 4 years? (a) ₹9600 (b) ₹2000 (c) ₹1600 (d) ₹400
16. 16.In how many years will ₹1000 earn ₹160 simple interest at 8% per year? (a) 3 years (b) 1 year (c) 2 years (d) 4 years
17. 17.₹3500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹3780 (b) ₹210 (c) ₹3570 (d) ₹3710
18. 18.In how many years will ₹3500 earn ₹630 simple interest at 9% per year? (a) 2 years (b) 1 year (c) 4 years (d) 3 years
19. 19.The simple interest on ₹6500 for 4 years is ₹1820. What is the rate per year? (a) 28% (b) 7% (c) 6% (d) 8%
20. 20.₹2500 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹3250 (b) ₹2650 (c) ₹3400 (d) ₹750
21. 21.The simple interest on ₹2000 for 2 years is ₹480. What is the rate per year? (a) 11% (b) 13% (c) 12% (d) 24%
22. 22.₹1500 is invested at 9% per year simple interest. What is the amount after 5 years? (a) ₹2310 (b) ₹675 (c) ₹2175 (d) ₹1635
23. 23.₹8500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹13175 (b) ₹3740 (c) ₹9435 (d) ₹12240
24. 24.What is the simple interest on ₹5500 at 10% per year for 5 years? (a) ₹2750 (b) ₹3300 (c) ₹8250 (d) ₹550
25. 25.₹3500 is invested at 4% per year simple interest. What is the amount after 4 years? (a) ₹4200 (b) ₹4060 (c) ₹560 (d) ₹3640
26. 26.₹6000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹8700 (b) ₹2160 (c) ₹8160 (d) ₹6540
27. 27.In how many years will ₹8500 earn ₹3400 simple interest at 10% per year? (a) 4 years (b) 5 years (c) 3 years (d) 8 years
28. 28.The simple interest on ₹10000 for 5 years is ₹5500. What is the rate per year? (a) 55% (b) 11% (c) 12% (d) 10%
29. 29.In how many years will ₹6500 earn ₹780 simple interest at 4% per year? (a) 6 years (b) 3 years (c) 4 years (d) 2 years
30. 30.₹2000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2080 (b) ₹160 (c) ₹2240 (d) ₹2160
31. 31.The simple interest on ₹6500 for 4 years is ₹2080. What is the rate per year? (a) 9% (b) 8% (c) 7% (d) 32%
32. 32.The simple interest on ₹1500 for 2 years is ₹270. What is the rate per year? (a) 18% (b) 10% (c) 8% (d) 9%
33. 33.The simple interest on ₹8500 for 3 years is ₹1785. What is the rate per year? (a) 21% (b) 6% (c) 8% (d) 7%
34. 34.In how many years will ₹6000 earn ₹1260 simple interest at 7% per year? (a) 2 years (b) 4 years (c) 6 years (d) 3 years
35. 35.What is the simple interest on ₹7000 at 10% per year for 3 years? (a) ₹2100 (b) ₹2800 (c) ₹9100 (d) ₹700
36. 36.The simple interest on ₹2000 for 5 years is ₹1000. What is the rate per year? (a) 10% (b) 11% (c) 50% (d) 9%
37. 37.In how many years will ₹3000 earn ₹630 simple interest at 7% per year? (a) 3 years (b) 4 years (c) 6 years (d) 2 years
38. 38.What is the simple interest on ₹7500 at 6% per year for 3 years? (a) ₹8850 (b) ₹1800 (c) ₹1350 (d) ₹450
39. 39.In how many years will ₹3500 earn ₹560 simple interest at 4% per year? (a) 8 years (b) 5 years (c) 3 years (d) 4 years
40. 40.The simple interest on ₹7000 for 5 years is ₹1400. What is the rate per year? (a) 5% (b) 3% (c) 4% (d) 20%

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