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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 911 · 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. 1.45 is 12% of ?
  2. 2.50% of a number is 130. What is the number?
  3. 3.5 is 5% of ?
  4. 4.15 is 30% of ?
  5. 5.Kabir spent ₹9, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  6. 6.Anaya spent ₹9, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  7. 7.5% of a number is 6. What is the number?
  8. 8.10% of a number is 40. What is the number?
  9. 9.Sara spent ₹50, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.60% of a number is 237. What is the number?
  11. 11.25% of a number is 36. What is the number?
  12. 12.40% of a number is 62. What is the number?
  13. 13.Rohan spent ₹24, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  14. 14.Diya spent ₹33, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  15. 15.50% of a number is 80. What is the number?
  16. 16.15% of a number is 33. What is the number?
  17. 17.12 is 60% of ?
  18. 18.78 is 40% of ?
  19. 19.Kabir spent ₹260, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  20. 20.Riya spent ₹40, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.12% of a number is 30. What is the number?
  22. 22.Arjun spent ₹71, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  23. 23.10 is 20% of ?
  24. 24.Dev spent ₹51, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.75% of a number is 120. What is the number?
  26. 26.Sara spent ₹35, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  27. 27.40% of a number is 144. What is the number?
  28. 28.10 is 5% of ?
  29. 29.168 is 60% of ?
  30. 30.Ishaan spent ₹30, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  31. 31.Anaya spent ₹71, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  32. 32.Aarav spent ₹57, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.80% of a number is 156. What is the number?
  34. 34.50% of a number is 108. What is the number?
  35. 35.Kabir spent ₹64, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  36. 36.11 is 10% of ?
  37. 37.40% of a number is 56. What is the number?
  38. 38.Arjun spent ₹34, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  39. 39.25% of a number is 33. What is the number?
  40. 40.60% of a number is 39. What is the number?

Answer key

  1. 375
  2. 260
  3. 100
  4. 50
  5. 18
  6. 15
  7. 120
  8. 400
  9. 200
  10. 395
  11. 144
  12. 155
  13. 80
  14. 44
  15. 160
  16. 220
  17. 20
  18. 195
  19. 325
  20. 160
  21. 250
  22. 355
  23. 50
  24. 68
  25. 160
  26. 350
  27. 360
  28. 200
  29. 280
  30. 250
  31. 284
  32. 285
  33. 195
  34. 216
  35. 320
  36. 110
  37. 140
  38. 340
  39. 132
  40. 65

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