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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 417 · 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 is 20% of ?
  2. 2.Arjun spent ₹39, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  3. 3.57 is 60% of ?
  4. 4.Isha spent ₹28, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  5. 5.10% of a number is 36. What is the number?
  6. 6.78 is 30% of ?
  7. 7.Arjun spent ₹156, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  8. 8.Dev spent ₹2, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  9. 9.5% of a number is 7. What is the number?
  10. 10.Anaya spent ₹18, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.40% of a number is 134. What is the number?
  12. 12.20% of a number is 47. What is the number?
  13. 13.71 is 20% of ?
  14. 14.25% of a number is 98. What is the number?
  15. 15.81 is 30% of ?
  16. 16.Riya spent ₹284, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  17. 17.Aarav spent ₹126, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  18. 18.5% of a number is 15. What is the number?
  19. 19.162 is 60% of ?
  20. 20.Meera spent ₹66, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.12 is 80% of ?
  22. 22.48 is 12% of ?
  23. 23.15% of a number is 6. What is the number?
  24. 24.20% of a number is 64. What is the number?
  25. 25.Isha spent ₹39, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  26. 26.50% of a number is 114. What is the number?
  27. 27.171 is 60% of ?
  28. 28.30 is 15% of ?
  29. 29.Meera spent ₹117, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  30. 30.60% of a number is 123. What is the number?
  31. 31.20% of a number is 74. What is the number?
  32. 32.10% of a number is 10. What is the number?
  33. 33.Aarav spent ₹99, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  34. 34.268 is 80% of ?
  35. 35.25% of a number is 90. What is the number?
  36. 36.Anaya spent ₹42, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  37. 37.Meera spent ₹33, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  38. 38.5% of a number is 17. What is the number?
  39. 39.23 is 50% of ?
  40. 40.Isha spent ₹142, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?

Answer key

  1. 100
  2. 260
  3. 95
  4. 280
  5. 360
  6. 260
  7. 260
  8. 20
  9. 140
  10. 60
  11. 335
  12. 235
  13. 355
  14. 392
  15. 270
  16. 355
  17. 315
  18. 300
  19. 270
  20. 220
  21. 15
  22. 400
  23. 40
  24. 320
  25. 260
  26. 228
  27. 285
  28. 200
  29. 390
  30. 205
  31. 370
  32. 100
  33. 396
  34. 335
  35. 360
  36. 350
  37. 110
  38. 340
  39. 46
  40. 355

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