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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 998 · 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. 1.30% of a number is 42. What is the number?
  2. 2.18 is 15% of ?
  3. 3.70 is 25% of ?
  4. 4.60% of a number is 6. What is the number?
  5. 5.95 is 25% of ?
  6. 6.Dev spent ₹36, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.81 is 25% of ?
  8. 8.10% of a number is 27. What is the number?
  9. 9.12% of a number is 30. What is the number?
  10. 10.16 is 25% of ?
  11. 11.40% of a number is 26. What is the number?
  12. 12.Diya spent ₹19, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  13. 13.32 is 80% of ?
  14. 14.Diya spent ₹154, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  15. 15.Arjun spent ₹12, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.Riya spent ₹42, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  17. 17.Ishaan spent ₹294, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  18. 18.75% of a number is 108. What is the number?
  19. 19.19 is 10% of ?
  20. 20.Isha spent ₹8, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.Riya spent ₹24, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.72 is 20% of ?
  23. 23.60% of a number is 30. What is the number?
  24. 24.Diya spent ₹27, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.60% of a number is 18. What is the number?
  26. 26.Kabir spent ₹12, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  27. 27.195 is 60% of ?
  28. 28.Dev spent ₹96, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  29. 29.Arjun spent ₹13, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  30. 30.Sara spent ₹18, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.304 is 80% of ?
  32. 32.Aarav spent ₹18, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.5% of a number is 13. What is the number?
  34. 34.30% of a number is 21. What is the number?
  35. 35.10% of a number is 17. What is the number?
  36. 36.80% of a number is 136. What is the number?
  37. 37.30 is 30% of ?
  38. 38.12% of a number is 33. What is the number?
  39. 39.10% of a number is 16. What is the number?
  40. 40.Meera spent ₹26, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?

Answer key

  1. 140
  2. 120
  3. 280
  4. 10
  5. 380
  6. 240
  7. 324
  8. 270
  9. 250
  10. 64
  11. 65
  12. 38
  13. 40
  14. 385
  15. 80
  16. 350
  17. 392
  18. 144
  19. 190
  20. 40
  21. 30
  22. 360
  23. 50
  24. 180
  25. 30
  26. 100
  27. 325
  28. 320
  29. 65
  30. 180
  31. 380
  32. 360
  33. 260
  34. 70
  35. 170
  36. 170
  37. 100
  38. 275
  39. 160
  40. 260

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