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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 726 · 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. 1.45 is 12% of ?
  2. 2.Kabir spent ₹146, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  3. 3.Ishaan spent ₹4, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  4. 4.5% of a number is 13. What is the number?
  5. 5.Rohan spent ₹5, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  6. 6.54 is 15% of ?
  7. 7.Dev spent ₹42, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  8. 8.Isha spent ₹19, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  9. 9.60% of a number is 21. What is the number?
  10. 10.236 is 80% of ?
  11. 11.20% of a number is 18. What is the number?
  12. 12.60% of a number is 150. What is the number?
  13. 13.15 is 15% of ?
  14. 14.42 is 15% of ?
  15. 15.Riya spent ₹94, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.228 is 80% of ?
  17. 17.Sara spent ₹24, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  18. 18.Arjun spent ₹264, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  19. 19.25% of a number is 37. What is the number?
  20. 20.Kabir spent ₹150, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.33 is 25% of ?
  22. 22.Meera spent ₹137, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.80 is 40% of ?
  24. 24.Arjun spent ₹48, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.9 is 10% of ?
  26. 26.25% of a number is 97. What is the number?
  27. 27.15% of a number is 42. What is the number?
  28. 28.25% of a number is 73. What is the number?
  29. 29.24 is 20% of ?
  30. 30.63 is 25% of ?
  31. 31.25% of a number is 18. What is the number?
  32. 32.60% of a number is 6. What is the number?
  33. 33.172 is 80% of ?
  34. 34.20% of a number is 3. What is the number?
  35. 35.316 is 80% of ?
  36. 36.15% of a number is 30. What is the number?
  37. 37.5% of a number is 5. What is the number?
  38. 38.12% of a number is 6. What is the number?
  39. 39.12% of a number is 42. What is the number?
  40. 40.40% of a number is 96. What is the number?

Answer key

  1. 375
  2. 365
  3. 10
  4. 260
  5. 100
  6. 360
  7. 280
  8. 190
  9. 35
  10. 295
  11. 90
  12. 250
  13. 100
  14. 280
  15. 376
  16. 285
  17. 32
  18. 352
  19. 148
  20. 300
  21. 132
  22. 274
  23. 200
  24. 320
  25. 90
  26. 388
  27. 280
  28. 292
  29. 120
  30. 252
  31. 72
  32. 10
  33. 215
  34. 15
  35. 395
  36. 200
  37. 100
  38. 50
  39. 350
  40. 240

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