Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 57 · 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.₹1200 earns 5% simple interest per year. In how many years will the interest be ₹240?
2. 2.₹1400 earns 2% simple interest per year. In how many years will the interest be ₹56?
3. 3.Karan keeps ₹900 in a bank. After 5 years the simple interest is ₹270. What is the rate of interest per year (in %)?
4. 4.Aditya keeps ₹900 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 2 years?
5. 5.Isha keeps ₹1700 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 2 years?
6. 6.Ishaan keeps ₹1800 in a bank at 4% simple interest per year. How many rupees of interest does it earn in 5 years?
7. 7.Kabir keeps ₹1600 in a bank at 4% simple interest per year. How much money will there be after 4 years (in ₹)?
8. 8.Diya keeps ₹500 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 2 years?
9. 9.Gurpreet has ₹700. In a piggy bank it stays ₹700. In a bank at 8% simple interest per year, how many rupees more will Gurpreet have after 2 years?
10. 10.₹200 earns 8% simple interest per year. In how many years will the interest be ₹32?
11. 11.₹1600 earns 4% simple interest per year. In how many years will the interest be ₹64?
12. 12.Isha keeps ₹1900 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 3 years?
13. 13.Zoya keeps ₹1800 in a bank. After 3 years the simple interest is ₹432. What is the rate of interest per year (in %)?
14. 14.Rahul has ₹300. In a piggy bank it stays ₹300. In a bank at 7% simple interest per year, how many rupees more will Rahul have after 4 years?
15. 15.Tara keeps ₹900 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 2 years?
16. 16.Pooja keeps ₹1600 in a bank at 5% simple interest per year. How much money will there be after 3 years (in ₹)?
17. 17.Rohan keeps ₹1100 in a bank at 3% simple interest per year. How much money will there be after 1 year (in ₹)?
18. 18.Diya has ₹1500. In a piggy bank it stays ₹1500. In a bank at 6% simple interest per year, how many rupees more will Diya have after 5 years?
19. 19.Nisha keeps ₹600 in a bank. After 3 years the simple interest is ₹54. What is the rate of interest per year (in %)?
20. 20.Ishaan keeps ₹1300 in a bank at 3% simple interest per year. How much money will there be after 5 years (in ₹)?
21. 21.Pooja keeps ₹1100 in a bank at 9% simple interest per year. How much money will there be after 5 years (in ₹)?
22. 22.₹900 earns 2% simple interest per year. In how many years will the interest be ₹90?
23. 23.Rahul keeps ₹1700 in a bank at 8% simple interest per year. How much money will there be after 1 year (in ₹)?
24. 24.Farhan keeps ₹700 in a bank. After 2 years the simple interest is ₹140. What is the rate of interest per year (in %)?
25. 25.Zoya has ₹600. In a piggy bank it stays ₹600. In a bank at 5% simple interest per year, how many rupees more will Zoya have after 3 years?
26. 26.Tara keeps ₹1500 in a bank. After 3 years the simple interest is ₹225. What is the rate of interest per year (in %)?
27. 27.₹300 earns 10% simple interest per year. In how many years will the interest be ₹90?
28. 28.Kavya keeps ₹100 in a bank at 6% simple interest per year. How many rupees of interest does it earn in 5 years?
29. 29.Lakshmi keeps ₹700 in a bank. After 2 years the simple interest is ₹112. What is the rate of interest per year (in %)?
30. 30.Karan keeps ₹200 in a bank at 4% simple interest per year. How much money will there be after 1 year (in ₹)?
31. 31.Tara keeps ₹1800 in a bank. After 4 years the simple interest is ₹288. What is the rate of interest per year (in %)?
32. 32.Rahul keeps ₹100 in a bank. After 1 year the simple interest is ₹5. What is the rate of interest per year (in %)?
33. 33.Arjun keeps ₹1900 in a bank. After 3 years the simple interest is ₹456. What is the rate of interest per year (in %)?
34. 34.Kavya keeps ₹2000 in a bank. After 1 year the simple interest is ₹40. What is the rate of interest per year (in %)?
35. 35.Saanvi keeps ₹1200 in a bank. After 4 years the simple interest is ₹96. What is the rate of interest per year (in %)?
36. 36.₹900 earns 8% simple interest per year. In how many years will the interest be ₹288?
37. 37.₹1300 earns 8% simple interest per year. In how many years will the interest be ₹312?
38. 38.₹200 earns 9% simple interest per year. In how many years will the interest be ₹18?
39. 39.₹2000 earns 4% simple interest per year. In how many years will the interest be ₹400?
40. 40.₹1900 earns 9% simple interest per year. In how many years will the interest be ₹342?

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