Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 65 · 40 sums

The method (P × R × T ÷ 100): Interest I = P × R × T ÷ 100. Amount after T years = P + I. Turn it round: R = I × 100 ÷ (P × T) and T = I × 100 ÷ (P × R).

1. 1.₹300 earns 9% simple interest per year. In how many years will the interest be ₹54?
2. 2.Dev keeps ₹1200 in a bank. After 2 years the simple interest is ₹144. What is the rate of interest per year (in %)?
3. 3.Zoya keeps ₹800 in a bank at 5% simple interest per year. How much money will there be after 4 years (in ₹)?
4. 4.Priya keeps ₹1800 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 3 years?
5. 5.Kavya keeps ₹200 in a bank at 5% simple interest per year. How much money will there be after 2 years (in ₹)?
6. 6.₹600 earns 10% simple interest per year. In how many years will the interest be ₹180?
7. 7.Meera has ₹600. In a piggy bank it stays ₹600. In a bank at 6% simple interest per year, how many rupees more will Meera have after 1 year?
8. 8.₹1600 earns 3% simple interest per year. In how many years will the interest be ₹144?
9. 9.Farhan keeps ₹100 in a bank at 9% simple interest per year. How many rupees of interest does it earn in 3 years?
10. 10.₹400 earns 8% simple interest per year. In how many years will the interest be ₹128?
11. 11.Aarav keeps ₹500 in a bank at 5% simple interest per year. How much money will there be after 1 year (in ₹)?
12. 12.Riya keeps ₹900 in a bank at 8% simple interest per year. How much money will there be after 2 years (in ₹)?
13. 13.₹1400 earns 6% simple interest per year. In how many years will the interest be ₹168?
14. 14.Pooja keeps ₹100 in a bank. After 2 years the simple interest is ₹18. What is the rate of interest per year (in %)?
15. 15.₹1300 earns 3% simple interest per year. In how many years will the interest be ₹195?
16. 16.Zoya keeps ₹400 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 5 years?
17. 17.Isha keeps ₹1600 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 1 year?
18. 18.Manav keeps ₹700 in a bank at 10% simple interest per year. How much money will there be after 2 years (in ₹)?
19. 19.₹1400 earns 5% simple interest per year. In how many years will the interest be ₹70?
20. 20.Rahul has ₹1000. In a piggy bank it stays ₹1000. In a bank at 4% simple interest per year, how many rupees more will Rahul have after 5 years?
21. 21.Rohan keeps ₹1400 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 2 years?
22. 22.Dev keeps ₹200 in a bank. After 2 years the simple interest is ₹36. What is the rate of interest per year (in %)?
23. 23.Manav keeps ₹500 in a bank at 8% simple interest per year. How much money will there be after 3 years (in ₹)?
24. 24.₹900 earns 4% simple interest per year. In how many years will the interest be ₹144?
25. 25.₹500 earns 4% simple interest per year. In how many years will the interest be ₹20?
26. 26.₹200 earns 9% simple interest per year. In how many years will the interest be ₹36?
27. 27.Riya keeps ₹1100 in a bank at 7% simple interest per year. How much money will there be after 2 years (in ₹)?
28. 28.Rohan keeps ₹1400 in a bank at 7% simple interest per year. How much money will there be after 3 years (in ₹)?
29. 29.Priya keeps ₹800 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 5 years?
30. 30.Isha keeps ₹600 in a bank. After 5 years the simple interest is ₹120. What is the rate of interest per year (in %)?
31. 31.₹1400 earns 3% simple interest per year. In how many years will the interest be ₹84?
32. 32.Ananya has ₹1400. In a piggy bank it stays ₹1400. In a bank at 7% simple interest per year, how many rupees more will Ananya have after 3 years?
33. 33.Tara keeps ₹1900 in a bank at 9% simple interest per year. How much money will there be after 1 year (in ₹)?
34. 34.₹300 earns 8% simple interest per year. In how many years will the interest be ₹120?
35. 35.Meera keeps ₹100 in a bank. After 2 years the simple interest is ₹14. What is the rate of interest per year (in %)?
36. 36.₹600 earns 9% simple interest per year. In how many years will the interest be ₹162?
37. 37.Aditya keeps ₹1900 in a bank at 8% simple interest per year. How much money will there be after 1 year (in ₹)?
38. 38.Lakshmi keeps ₹1100 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 2 years?
39. 39.Joseph keeps ₹1200 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?
40. 40.Ananya keeps ₹400 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 3 years?

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