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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 498 · 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 173. What is the number?
  2. 2.60% of a number is 24. What is the number?
  3. 3.Isha spent ₹73, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  4. 4.5% of a number is 14. What is the number?
  5. 5.9 is 10% of ?
  6. 6.Dev spent ₹110, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.80% of a number is 112. What is the number?
  8. 8.Meera spent ₹12, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  9. 9.Aarav spent ₹17, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.25% of a number is 20. What is the number?
  11. 11.Ishaan spent ₹90, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  12. 12.102 is 60% of ?
  13. 13.5% of a number is 20. What is the number?
  14. 14.100 is 25% of ?
  15. 15.25% of a number is 36. What is the number?
  16. 16.80% of a number is 72. What is the number?
  17. 17.Arjun spent ₹1, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.123 is 75% of ?
  19. 19.75% of a number is 249. What is the number?
  20. 20.80% of a number is 140. What is the number?
  21. 21.284 is 80% of ?
  22. 22.130 is 40% of ?
  23. 23.10% of a number is 22. What is the number?
  24. 24.76 is 25% of ?
  25. 25.68 is 50% of ?
  26. 26.30% of a number is 12. What is the number?
  27. 27.Dev spent ₹237, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  28. 28.80% of a number is 312. What is the number?
  29. 29.Aarav spent ₹106, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  30. 30.Isha spent ₹64, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  31. 31.20% of a number is 18. What is the number?
  32. 32.Kabir spent ₹12, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.Rohan spent ₹30, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.30 is 10% of ?
  35. 35.Ishaan spent ₹15, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  36. 36.Diya spent ₹32, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  37. 37.5% of a number is 4. What is the number?
  38. 38.40% of a number is 76. What is the number?
  39. 39.Isha spent ₹84, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  40. 40.12% of a number is 12. What is the number?

Answer key

  1. 346
  2. 40
  3. 292
  4. 280
  5. 90
  6. 275
  7. 140
  8. 100
  9. 340
  10. 80
  11. 300
  12. 170
  13. 400
  14. 400
  15. 144
  16. 90
  17. 20
  18. 164
  19. 332
  20. 175
  21. 355
  22. 325
  23. 220
  24. 304
  25. 136
  26. 40
  27. 316
  28. 390
  29. 212
  30. 256
  31. 90
  32. 80
  33. 100
  34. 300
  35. 150
  36. 160
  37. 80
  38. 190
  39. 336
  40. 100

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