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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 809 · 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. 1.40% of a number is 44. What is the number?
  2. 2.Dev spent ₹20, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  3. 3.147 is 75% of ?
  4. 4.80% of a number is 84. What is the number?
  5. 5.50% of a number is 187. What is the number?
  6. 6.33 is 30% of ?
  7. 7.25% of a number is 16. What is the number?
  8. 8.75% of a number is 108. What is the number?
  9. 9.40% of a number is 108. What is the number?
  10. 10.40 is 10% of ?
  11. 11.28 is 40% of ?
  12. 12.75% of a number is 135. What is the number?
  13. 13.10% of a number is 24. What is the number?
  14. 14.Rohan spent ₹79, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.Isha spent ₹4, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  16. 16.60% of a number is 180. What is the number?
  17. 17.10% of a number is 3. What is the number?
  18. 18.50% of a number is 115. What is the number?
  19. 19.86 is 50% of ?
  20. 20.13 is 10% of ?
  21. 21.12% of a number is 36. What is the number?
  22. 22.12% of a number is 45. What is the number?
  23. 23.10% of a number is 6. What is the number?
  24. 24.Rohan spent ₹16, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  25. 25.Meera spent ₹156, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  26. 26.10% of a number is 8. What is the number?
  27. 27.80% of a number is 168. What is the number?
  28. 28.Riya spent ₹11, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.12% of a number is 33. What is the number?
  30. 30.40% of a number is 120. What is the number?
  31. 31.199 is 50% of ?
  32. 32.35 is 50% of ?
  33. 33.15% of a number is 51. What is the number?
  34. 34.Anaya spent ₹69, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  35. 35.50% of a number is 48. What is the number?
  36. 36.Arjun spent ₹8, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  37. 37.25% of a number is 93. What is the number?
  38. 38.Sara spent ₹93, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.Anaya spent ₹16, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.Sara spent ₹39, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 110
  2. 200
  3. 196
  4. 105
  5. 374
  6. 110
  7. 64
  8. 144
  9. 270
  10. 400
  11. 70
  12. 180
  13. 240
  14. 316
  15. 40
  16. 300
  17. 30
  18. 230
  19. 172
  20. 130
  21. 300
  22. 375
  23. 60
  24. 64
  25. 390
  26. 80
  27. 210
  28. 110
  29. 275
  30. 300
  31. 398
  32. 70
  33. 340
  34. 115
  35. 96
  36. 10
  37. 372
  38. 310
  39. 64
  40. 390

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