Simple Interest Worksheet for Kids

Money maths lesson 23: Simple interest · Set 18 · 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.Manav keeps ₹900 in a bank. After 5 years the simple interest is ₹315. What is the rate of interest per year (in %)?
2. 2.Aditya keeps ₹1400 in a bank at 2% simple interest per year. How much money will there be after 4 years (in ₹)?
3. 3.₹1800 earns 9% simple interest per year. In how many years will the interest be ₹810?
4. 4.Rahul has ₹1600. In a piggy bank it stays ₹1600. In a bank at 7% simple interest per year, how many rupees more will Rahul have after 1 year?
5. 5.Lakshmi keeps ₹1800 in a bank. After 4 years the simple interest is ₹648. What is the rate of interest per year (in %)?
6. 6.₹1900 earns 8% simple interest per year. In how many years will the interest be ₹608?
7. 7.₹2000 earns 2% simple interest per year. In how many years will the interest be ₹200?
8. 8.Zoya has ₹500. In a piggy bank it stays ₹500. In a bank at 8% simple interest per year, how many rupees more will Zoya have after 3 years?
9. 9.Ananya keeps ₹1200 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 2 years?
10. 10.Ishaan keeps ₹200 in a bank at 10% simple interest per year. How much money will there be after 1 year (in ₹)?
11. 11.₹900 earns 10% simple interest per year. In how many years will the interest be ₹180?
12. 12.Nisha has ₹900. In a piggy bank it stays ₹900. In a bank at 3% simple interest per year, how many rupees more will Nisha have after 3 years?
13. 13.Saanvi keeps ₹100 in a bank at 6% simple interest per year. How much money will there be after 3 years (in ₹)?
14. 14.Lakshmi keeps ₹400 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 5 years?
15. 15.₹1900 earns 6% simple interest per year. In how many years will the interest be ₹114?
16. 16.Rahul keeps ₹400 in a bank. After 5 years the simple interest is ₹40. What is the rate of interest per year (in %)?
17. 17.Arjun keeps ₹1600 in a bank at 8% simple interest per year. How many rupees of interest does it earn in 4 years?
18. 18.Manav keeps ₹1500 in a bank. After 2 years the simple interest is ₹120. What is the rate of interest per year (in %)?
19. 19.Riya keeps ₹700 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 3 years?
20. 20.₹1000 earns 3% simple interest per year. In how many years will the interest be ₹90?
21. 21.Saanvi has ₹600. In a piggy bank it stays ₹600. In a bank at 10% simple interest per year, how many rupees more will Saanvi have after 3 years?
22. 22.Vivaan keeps ₹1500 in a bank at 6% simple interest per year. How much money will there be after 4 years (in ₹)?
23. 23.Kavya has ₹300. In a piggy bank it stays ₹300. In a bank at 2% simple interest per year, how many rupees more will Kavya have after 4 years?
24. 24.Vivaan keeps ₹2000 in a bank at 7% simple interest per year. How many rupees of interest does it earn in 1 year?
25. 25.Aditya keeps ₹1800 in a bank at 8% simple interest per year. How much money will there be after 3 years (in ₹)?
26. 26.Kavya keeps ₹1800 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 1 year?
27. 27.Manav has ₹400. In a piggy bank it stays ₹400. In a bank at 2% simple interest per year, how many rupees more will Manav have after 1 year?
28. 28.Rahul keeps ₹400 in a bank at 10% simple interest per year. How much money will there be after 3 years (in ₹)?
29. 29.Meera keeps ₹1700 in a bank at 3% simple interest per year. How many rupees of interest does it earn in 1 year?
30. 30.Diya keeps ₹1700 in a bank. After 1 year the simple interest is ₹170. What is the rate of interest per year (in %)?
31. 31.Diya has ₹1200. In a piggy bank it stays ₹1200. In a bank at 7% simple interest per year, how many rupees more will Diya have after 1 year?
32. 32.₹300 earns 3% simple interest per year. In how many years will the interest be ₹9?
33. 33.Gurpreet keeps ₹300 in a bank at 9% simple interest per year. How much money will there be after 4 years (in ₹)?
34. 34.Nisha keeps ₹1300 in a bank at 10% simple interest per year. How many rupees of interest does it earn in 5 years?
35. 35.Ishaan keeps ₹700 in a bank at 5% simple interest per year. How many rupees of interest does it earn in 5 years?
36. 36.Isha keeps ₹1300 in a bank. After 1 year the simple interest is ₹39. What is the rate of interest per year (in %)?
37. 37.Vivaan keeps ₹1100 in a bank at 10% simple interest per year. How much money will there be after 1 year (in ₹)?
38. 38.Riya keeps ₹400 in a bank. After 3 years the simple interest is ₹72. What is the rate of interest per year (in %)?
39. 39.Ishaan keeps ₹600 in a bank at 3% simple interest per year. How much money will there be after 3 years (in ₹)?
40. 40.Isha keeps ₹500 in a bank at 2% simple interest per year. How many rupees of interest does it earn in 3 years?

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