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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 248 · 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.

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  1. 1.10% of a number is 10. What is the number?
  2. 2.Meera spent ₹120, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.Riya spent ₹18, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.Meera spent ₹9, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  5. 5.3 is 15% of ?
  6. 6.68 is 80% of ?
  7. 7.Dev spent ₹36, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  8. 8.17 is 10% of ?
  9. 9.232 is 80% of ?
  10. 10.27 is 60% of ?
  11. 11.50% of a number is 138. What is the number?
  12. 12.Meera spent ₹3, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  13. 13.60% of a number is 69. What is the number?
  14. 14.25% of a number is 60. What is the number?
  15. 15.75% of a number is 156. What is the number?
  16. 16.21 is 20% of ?
  17. 17.11 is 20% of ?
  18. 18.12% of a number is 15. What is the number?
  19. 19.Arjun spent ₹60, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  20. 20.75% of a number is 108. What is the number?
  21. 21.6 is 15% of ?
  22. 22.25 is 25% of ?
  23. 23.Sara spent ₹164, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.15% of a number is 39. What is the number?
  25. 25.Arjun spent ₹180, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  26. 26.12 is 10% of ?
  27. 27.10% of a number is 2. What is the number?
  28. 28.Diya spent ₹12, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  29. 29.71 is 20% of ?
  30. 30.63 is 50% of ?
  31. 31.Riya spent ₹110, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.25% of a number is 39. What is the number?
  33. 33.16 is 10% of ?
  34. 34.Kabir spent ₹96, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  35. 35.13 is 10% of ?
  36. 36.Arjun spent ₹150, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  37. 37.Diya spent ₹20, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.Isha spent ₹12, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  39. 39.50% of a number is 183. What is the number?
  40. 40.Riya spent ₹7, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 100
  2. 150
  3. 120
  4. 75
  5. 20
  6. 85
  7. 180
  8. 170
  9. 290
  10. 45
  11. 276
  12. 25
  13. 115
  14. 240
  15. 208
  16. 105
  17. 55
  18. 125
  19. 150
  20. 144
  21. 40
  22. 100
  23. 205
  24. 260
  25. 240
  26. 120
  27. 20
  28. 100
  29. 355
  30. 126
  31. 275
  32. 156
  33. 160
  34. 240
  35. 130
  36. 375
  37. 200
  38. 100
  39. 366
  40. 70

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