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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 14 · 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. 1.60% of a number is 138. What is the number?
  2. 2.10% of a number is 6. What is the number?
  3. 3.24 is 12% of ?
  4. 4.Kabir spent ₹60, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  5. 5.39 is 30% of ?
  6. 6.Aarav spent ₹20, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.37 is 20% of ?
  8. 8.5% of a number is 2. What is the number?
  9. 9.Ishaan spent ₹35, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  10. 10.30% of a number is 18. What is the number?
  11. 11.50% of a number is 19. What is the number?
  12. 12.20% of a number is 42. What is the number?
  13. 13.Diya spent ₹96, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  14. 14.33 is 30% of ?
  15. 15.40% of a number is 108. What is the number?
  16. 16.25% of a number is 95. What is the number?
  17. 17.Riya spent ₹76, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  18. 18.18 is 5% of ?
  19. 19.80% of a number is 188. What is the number?
  20. 20.5% of a number is 8. What is the number?
  21. 21.6 is 15% of ?
  22. 22.Sara spent ₹20, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  23. 23.40% of a number is 106. What is the number?
  24. 24.Kabir spent ₹44, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  25. 25.60% of a number is 114. What is the number?
  26. 26.20% of a number is 21. What is the number?
  27. 27.5 is 10% of ?
  28. 28.Ishaan spent ₹54, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  29. 29.300 is 75% of ?
  30. 30.60% of a number is 93. What is the number?
  31. 31.75% of a number is 138. What is the number?
  32. 32.26 is 10% of ?
  33. 33.5% of a number is 6. What is the number?
  34. 34.15% of a number is 54. What is the number?
  35. 35.Isha spent ₹91, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  36. 36.15% of a number is 21. What is the number?
  37. 37.75% of a number is 45. What is the number?
  38. 38.12% of a number is 3. What is the number?
  39. 39.8 is 25% of ?
  40. 40.60% of a number is 126. What is the number?

Answer key

  1. 230
  2. 60
  3. 200
  4. 300
  5. 130
  6. 400
  7. 185
  8. 40
  9. 350
  10. 60
  11. 38
  12. 210
  13. 320
  14. 110
  15. 270
  16. 380
  17. 304
  18. 360
  19. 235
  20. 160
  21. 40
  22. 25
  23. 265
  24. 110
  25. 190
  26. 105
  27. 50
  28. 90
  29. 400
  30. 155
  31. 184
  32. 260
  33. 120
  34. 360
  35. 182
  36. 140
  37. 60
  38. 25
  39. 32
  40. 210

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