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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 86 · 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. 1.138 is 40% of ?
  2. 2.80% of a number is 316. What is the number?
  3. 3.Aarav spent ₹17, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.Isha spent ₹54, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  5. 5.71 is 20% of ?
  6. 6.12% of a number is 42. What is the number?
  7. 7.15 is 20% of ?
  8. 8.Dev spent ₹16, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  9. 9.52 is 20% of ?
  10. 10.Aarav spent ₹144, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.5% of a number is 15. What is the number?
  12. 12.24 is 12% of ?
  13. 13.Arjun spent ₹104, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  14. 14.10% of a number is 13. What is the number?
  15. 15.12% of a number is 18. What is the number?
  16. 16.18 is 40% of ?
  17. 17.Riya spent ₹87, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  18. 18.12% of a number is 27. What is the number?
  19. 19.Diya spent ₹34, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  20. 20.35 is 25% of ?
  21. 21.Anaya spent ₹18, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  22. 22.Anaya spent ₹4, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  23. 23.75% of a number is 282. What is the number?
  24. 24.32 is 20% of ?
  25. 25.10% of a number is 2. What is the number?
  26. 26.80% of a number is 228. What is the number?
  27. 27.25% of a number is 29. What is the number?
  28. 28.50% of a number is 139. What is the number?
  29. 29.20% of a number is 32. What is the number?
  30. 30.40% of a number is 148. What is the number?
  31. 31.Sara spent ₹91, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  32. 32.50% of a number is 30. What is the number?
  33. 33.12% of a number is 33. What is the number?
  34. 34.12 is 10% of ?
  35. 35.40% of a number is 110. What is the number?
  36. 36.30% of a number is 27. What is the number?
  37. 37.248 is 80% of ?
  38. 38.57 is 15% of ?
  39. 39.18 is 5% of ?
  40. 40.Sara spent ₹126, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 345
  2. 395
  3. 34
  4. 180
  5. 355
  6. 350
  7. 75
  8. 160
  9. 260
  10. 360
  11. 300
  12. 200
  13. 260
  14. 130
  15. 150
  16. 45
  17. 145
  18. 225
  19. 340
  20. 140
  21. 360
  22. 80
  23. 376
  24. 160
  25. 20
  26. 285
  27. 116
  28. 278
  29. 160
  30. 370
  31. 364
  32. 60
  33. 275
  34. 120
  35. 275
  36. 90
  37. 310
  38. 380
  39. 360
  40. 210

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