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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 990 · 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 63. What is the number?
  2. 2.144 is 80% of ?
  3. 3.89 is 25% of ?
  4. 4.55 is 25% of ?
  5. 5.Riya spent ₹201, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  6. 6.20% of a number is 80. What is the number?
  7. 7.117 is 30% of ?
  8. 8.25 is 50% of ?
  9. 9.61 is 25% of ?
  10. 10.20% of a number is 68. What is the number?
  11. 11.50% of a number is 25. What is the number?
  12. 12.Rohan spent ₹43, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  13. 13.5% of a number is 11. What is the number?
  14. 14.Ishaan spent ₹16, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  15. 15.12% of a number is 9. What is the number?
  16. 16.39 is 20% of ?
  17. 17.50% of a number is 153. What is the number?
  18. 18.15 is 12% of ?
  19. 19.59 is 20% of ?
  20. 20.27 is 15% of ?
  21. 21.93 is 60% of ?
  22. 22.Arjun spent ₹50, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  23. 23.39 is 60% of ?
  24. 24.40% of a number is 138. What is the number?
  25. 25.Kabir spent ₹30, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  26. 26.Sara spent ₹62, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  27. 27.12% of a number is 42. What is the number?
  28. 28.99 is 30% of ?
  29. 29.20% of a number is 40. What is the number?
  30. 30.44 is 25% of ?
  31. 31.26 is 20% of ?
  32. 32.11 is 10% of ?
  33. 33.80% of a number is 140. What is the number?
  34. 34.Sara spent ₹33, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.45 is 15% of ?
  36. 36.Aarav spent ₹102, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  37. 37.25% of a number is 17. What is the number?
  38. 38.75% of a number is 147. What is the number?
  39. 39.Anaya spent ₹34, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.63 is 50% of ?

Answer key

  1. 315
  2. 180
  3. 356
  4. 220
  5. 335
  6. 400
  7. 390
  8. 50
  9. 244
  10. 340
  11. 50
  12. 215
  13. 220
  14. 20
  15. 75
  16. 195
  17. 306
  18. 125
  19. 295
  20. 180
  21. 155
  22. 200
  23. 65
  24. 345
  25. 300
  26. 310
  27. 350
  28. 330
  29. 200
  30. 176
  31. 130
  32. 110
  33. 175
  34. 110
  35. 300
  36. 170
  37. 68
  38. 196
  39. 340
  40. 126

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