← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 917 · 40 questions
TalentJR

How to work it out (Back to 100%): Write what you know: p% is a. The whole (100%) = a × 100 ÷ p. Check: p% of your answer must give a back.

NameDateTime takenScore ___ / 40
  1. 1.20% of a number is 79. What is the number?
  2. 2.12% of a number is 42. What is the number?
  3. 3.75% of a number is 162. What is the number?
  4. 4.15% of a number is 54. What is the number?
  5. 5.Diya spent ₹105, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  6. 6.Ishaan spent ₹12, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  7. 7.80% of a number is 120. What is the number?
  8. 8.18 is 15% of ?
  9. 9.30% of a number is 57. What is the number?
  10. 10.10 is 10% of ?
  11. 11.10% of a number is 7. What is the number?
  12. 12.5% of a number is 14. What is the number?
  13. 13.12 is 15% of ?
  14. 14.86 is 50% of ?
  15. 15.6 is 12% of ?
  16. 16.60% of a number is 174. What is the number?
  17. 17.60% of a number is 54. What is the number?
  18. 18.132 is 80% of ?
  19. 19.Sara spent ₹27, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  20. 20.Anaya spent ₹114, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  21. 21.Riya spent ₹11, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.Kabir spent ₹198, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  23. 23.80% of a number is 68. What is the number?
  24. 24.Arjun spent ₹36, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.36 is 80% of ?
  26. 26.20% of a number is 41. What is the number?
  27. 27.52 is 80% of ?
  28. 28.20% of a number is 69. What is the number?
  29. 29.20% of a number is 33. What is the number?
  30. 30.18 is 12% of ?
  31. 31.Riya spent ₹4, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.57 is 15% of ?
  33. 33.20% of a number is 66. What is the number?
  34. 34.25 is 25% of ?
  35. 35.35 is 10% of ?
  36. 36.21 is 12% of ?
  37. 37.20 is 25% of ?
  38. 38.50% of a number is 34. What is the number?
  39. 39.5% of a number is 11. What is the number?
  40. 40.Dev spent ₹47, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 395
  2. 350
  3. 216
  4. 360
  5. 140
  6. 30
  7. 150
  8. 120
  9. 190
  10. 100
  11. 70
  12. 280
  13. 80
  14. 172
  15. 50
  16. 290
  17. 90
  18. 165
  19. 180
  20. 285
  21. 220
  22. 330
  23. 85
  24. 120
  25. 45
  26. 205
  27. 65
  28. 345
  29. 165
  30. 150
  31. 80
  32. 380
  33. 330
  34. 100
  35. 350
  36. 175
  37. 80
  38. 68
  39. 220
  40. 235

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage