Simple Interest Worksheet for Maths Olympiad

Maths Olympiad topic 16: Simple interest · Set 551 · 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 ₹10000 at 6% per year for 2 years? (a) ₹1800 (b) ₹600 (c) ₹1200 (d) ₹11200
2. 2.What is the simple interest on ₹3500 at 2% per year for 3 years? (a) ₹210 (b) ₹280 (c) ₹3710 (d) ₹70
3. 3.The simple interest on ₹1000 for 3 years is ₹240. What is the rate per year? (a) 9% (b) 7% (c) 24% (d) 8%
4. 4.₹3000 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹240 (b) ₹3240 (c) ₹3120 (d) ₹3360
5. 5.The simple interest on ₹5500 for 2 years is ₹1320. What is the rate per year? (a) 12% (b) 13% (c) 24% (d) 11%
6. 6.In how many years will ₹6000 earn ₹2400 simple interest at 10% per year? (a) 3 years (b) 8 years (c) 5 years (d) 4 years
7. 7.What is the simple interest on ₹9500 at 7% per year for 2 years? (a) ₹10830 (b) ₹665 (c) ₹1995 (d) ₹1330
8. 8.What is the simple interest on ₹10000 at 10% per year for 5 years? (a) ₹15000 (b) ₹6000 (c) ₹1000 (d) ₹5000
9. 9.₹9000 is invested at 7% per year simple interest. What is the amount after 2 years? (a) ₹10260 (b) ₹9630 (c) ₹1260 (d) ₹10890
10. 10.₹5000 is invested at 4% per year simple interest. What is the amount after 3 years? (a) ₹5600 (b) ₹600 (c) ₹5200 (d) ₹5800
11. 11.₹5000 is invested at 2% per year simple interest. What is the amount after 2 years? (a) ₹5200 (b) ₹200 (c) ₹5100 (d) ₹5300
12. 12.The simple interest on ₹10000 for 5 years is ₹2500. What is the rate per year? (a) 5% (b) 25% (c) 6% (d) 4%
13. 13.₹3500 is invested at 11% per year simple interest. What is the amount after 4 years? (a) ₹5425 (b) ₹3885 (c) ₹1540 (d) ₹5040
14. 14.₹2000 is invested at 6% per year simple interest. What is the amount after 5 years? (a) ₹2720 (b) ₹600 (c) ₹2600 (d) ₹2120
15. 15.The simple interest on ₹9000 for 3 years is ₹2970. What is the rate per year? (a) 12% (b) 10% (c) 33% (d) 11%
16. 16.In how many years will ₹4500 earn ₹2475 simple interest at 11% per year? (a) 4 years (b) 10 years (c) 6 years (d) 5 years
17. 17.₹3000 is invested at 10% per year simple interest. What is the amount after 5 years? (a) ₹1500 (b) ₹4800 (c) ₹3300 (d) ₹4500
18. 18.In how many years will ₹2500 earn ₹1250 simple interest at 10% per year? (a) 5 years (b) 4 years (c) 6 years (d) 10 years
19. 19.₹9500 is invested at 2% per year simple interest. What is the amount after 3 years? (a) ₹10070 (b) ₹10260 (c) ₹9690 (d) ₹570
20. 20.₹8000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹9440 (b) ₹9200 (c) ₹8240 (d) ₹1200
21. 21.In how many years will ₹4000 earn ₹1400 simple interest at 7% per year? (a) 5 years (b) 6 years (c) 10 years (d) 4 years
22. 22.The simple interest on ₹3000 for 5 years is ₹1200. What is the rate per year? (a) 40% (b) 8% (c) 7% (d) 9%
23. 23.In how many years will ₹9500 earn ₹760 simple interest at 2% per year? (a) 3 years (b) 8 years (c) 4 years (d) 5 years
24. 24.₹2500 is invested at 5% per year simple interest. What is the amount after 2 years? (a) ₹2750 (b) ₹2625 (c) ₹2875 (d) ₹250
25. 25.In how many years will ₹7500 earn ₹750 simple interest at 5% per year? (a) 1 year (b) 4 years (c) 2 years (d) 3 years
26. 26.₹1000 is invested at 3% per year simple interest. What is the amount after 5 years? (a) ₹1150 (b) ₹1180 (c) ₹150 (d) ₹1030
27. 27.The simple interest on ₹8500 for 5 years is ₹1275. What is the rate per year? (a) 3% (b) 2% (c) 15% (d) 4%
28. 28.₹1000 is invested at 10% per year simple interest. What is the amount after 4 years? (a) ₹400 (b) ₹1100 (c) ₹1400 (d) ₹1500
29. 29.What is the simple interest on ₹5000 at 10% per year for 3 years? (a) ₹1500 (b) ₹6500 (c) ₹2000 (d) ₹500
30. 30.₹2000 is invested at 7% per year simple interest. What is the amount after 3 years? (a) ₹2420 (b) ₹2140 (c) ₹420 (d) ₹2560
31. 31.The simple interest on ₹9500 for 2 years is ₹380. What is the rate per year? (a) 2% (b) 3% (c) 4% (d) 1%
32. 32.The simple interest on ₹4000 for 2 years is ₹320. What is the rate per year? (a) 5% (b) 8% (c) 4% (d) 3%
33. 33.₹1500 is invested at 8% per year simple interest. What is the amount after 3 years? (a) ₹1980 (b) ₹1860 (c) ₹360 (d) ₹1620
34. 34.What is the simple interest on ₹8500 at 2% per year for 2 years? (a) ₹8840 (b) ₹510 (c) ₹170 (d) ₹340
35. 35.₹3000 is invested at 9% per year simple interest. What is the amount after 4 years? (a) ₹4080 (b) ₹1080 (c) ₹4350 (d) ₹3270
36. 36.In how many years will ₹7000 earn ₹1050 simple interest at 5% per year? (a) 2 years (b) 3 years (c) 6 years (d) 4 years
37. 37.In how many years will ₹5000 earn ₹2250 simple interest at 9% per year? (a) 6 years (b) 4 years (c) 10 years (d) 5 years
38. 38.₹3000 is invested at 3% per year simple interest. What is the amount after 2 years? (a) ₹3270 (b) ₹3180 (c) ₹3090 (d) ₹180
39. 39.₹2500 is invested at 4% per year simple interest. What is the amount after 2 years? (a) ₹2600 (b) ₹2800 (c) ₹200 (d) ₹2700
40. 40.What is the simple interest on ₹3000 at 2% per year for 3 years? (a) ₹3180 (b) ₹180 (c) ₹60 (d) ₹240

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