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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 530 · 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. 1.12% of a number is 21. What is the number?
  2. 2.Aarav spent ₹52, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  3. 3.96 is 75% of ?
  4. 4.Meera spent ₹122, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  5. 5.75% of a number is 132. What is the number?
  6. 6.3 is 12% of ?
  7. 7.4 is 10% of ?
  8. 8.Sara spent ₹3, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  9. 9.Anaya spent ₹44, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  10. 10.Rohan spent ₹153, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.18 is 12% of ?
  12. 12.25 is 10% of ?
  13. 13.40% of a number is 18. What is the number?
  14. 14.Anaya spent ₹10, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  15. 15.10% of a number is 1. What is the number?
  16. 16.Kabir spent ₹27, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  17. 17.24 is 25% of ?
  18. 18.50% of a number is 114. What is the number?
  19. 19.12% of a number is 48. What is the number?
  20. 20.15% of a number is 33. What is the number?
  21. 21.30% of a number is 42. What is the number?
  22. 22.20% of a number is 64. What is the number?
  23. 23.27 is 50% of ?
  24. 24.Diya spent ₹2, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.Isha spent ₹17, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  26. 26.40% of a number is 76. What is the number?
  27. 27.80% of a number is 224. What is the number?
  28. 28.144 is 60% of ?
  29. 29.Kabir spent ₹21, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  30. 30.Riya spent ₹33, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.40% of a number is 58. What is the number?
  32. 32.10% of a number is 4. What is the number?
  33. 33.10% of a number is 15. What is the number?
  34. 34.Rohan spent ₹40, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.Meera spent ₹297, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  36. 36.60 is 15% of ?
  37. 37.Diya spent ₹132, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.100 is 40% of ?
  39. 39.5% of a number is 8. What is the number?
  40. 40.Kabir spent ₹9, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?

Answer key

  1. 175
  2. 208
  3. 128
  4. 305
  5. 176
  6. 25
  7. 40
  8. 60
  9. 176
  10. 204
  11. 150
  12. 250
  13. 45
  14. 20
  15. 10
  16. 45
  17. 96
  18. 228
  19. 400
  20. 220
  21. 140
  22. 320
  23. 54
  24. 40
  25. 170
  26. 190
  27. 280
  28. 240
  29. 105
  30. 66
  31. 145
  32. 40
  33. 150
  34. 50
  35. 396
  36. 400
  37. 220
  38. 250
  39. 160
  40. 30

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