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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 81 · 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. 1.50% of a number is 100. What is the number?
  2. 2.24 is 12% of ?
  3. 3.9 is 50% of ?
  4. 4.15% of a number is 60. What is the number?
  5. 5.Sara spent ₹31, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.40% of a number is 102. What is the number?
  7. 7.5 is 10% of ?
  8. 8.Aarav spent ₹56, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  9. 9.194 is 50% of ?
  10. 10.Anaya spent ₹21, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.30 is 40% of ?
  12. 12.40% of a number is 6. What is the number?
  13. 13.40% of a number is 132. What is the number?
  14. 14.20 is 20% of ?
  15. 15.15% of a number is 12. What is the number?
  16. 16.5% of a number is 4. What is the number?
  17. 17.153 is 60% of ?
  18. 18.12% of a number is 3. What is the number?
  19. 19.18 is 12% of ?
  20. 20.Anaya spent ₹5, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  21. 21.Riya spent ₹6, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.111 is 30% of ?
  23. 23.Arjun spent ₹60, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  24. 24.Diya spent ₹30, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.Diya spent ₹160, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  26. 26.40% of a number is 40. What is the number?
  27. 27.25% of a number is 84. What is the number?
  28. 28.15% of a number is 24. What is the number?
  29. 29.5% of a number is 7. What is the number?
  30. 30.37 is 20% of ?
  31. 31.Rohan spent ₹32, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  32. 32.75% of a number is 114. What is the number?
  33. 33.Kabir spent ₹138, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.20% of a number is 31. What is the number?
  35. 35.5% of a number is 2. What is the number?
  36. 36.40% of a number is 94. What is the number?
  37. 37.40% of a number is 154. What is the number?
  38. 38.Anaya spent ₹111, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  39. 39.267 is 75% of ?
  40. 40.6 is 12% of ?

Answer key

  1. 200
  2. 200
  3. 18
  4. 400
  5. 155
  6. 255
  7. 50
  8. 70
  9. 388
  10. 175
  11. 75
  12. 15
  13. 330
  14. 100
  15. 80
  16. 80
  17. 255
  18. 25
  19. 150
  20. 100
  21. 120
  22. 370
  23. 150
  24. 250
  25. 200
  26. 100
  27. 336
  28. 160
  29. 140
  30. 185
  31. 320
  32. 152
  33. 345
  34. 155
  35. 40
  36. 235
  37. 385
  38. 370
  39. 356
  40. 50

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