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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 745 · 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 41. What is the number?
  2. 2.50% of a number is 175. What is the number?
  3. 3.15% of a number is 51. What is the number?
  4. 4.142 is 40% of ?
  5. 5.114 is 30% of ?
  6. 6.Riya spent ₹128, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  7. 7.5% of a number is 6. What is the number?
  8. 8.Kabir spent ₹48, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  9. 9.Ishaan spent ₹86, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  10. 10.50% of a number is 129. What is the number?
  11. 11.5% of a number is 5. What is the number?
  12. 12.Dev spent ₹63, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  13. 13.40% of a number is 22. What is the number?
  14. 14.Kabir spent ₹44, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.50% of a number is 140. What is the number?
  16. 16.12 is 5% of ?
  17. 17.80% of a number is 272. What is the number?
  18. 18.12% of a number is 33. What is the number?
  19. 19.10% of a number is 29. What is the number?
  20. 20.Anaya spent ₹200, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  21. 21.5% of a number is 1. What is the number?
  22. 22.21 is 20% of ?
  23. 23.29 is 10% of ?
  24. 24.25 is 10% of ?
  25. 25.28 is 10% of ?
  26. 26.Aarav spent ₹17, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  27. 27.5% of a number is 3. What is the number?
  28. 28.Dev spent ₹45, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  29. 29.30% of a number is 33. What is the number?
  30. 30.2 is 50% of ?
  31. 31.Sara spent ₹10, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  32. 32.45 is 30% of ?
  33. 33.45 is 75% of ?
  34. 34.26 is 10% of ?
  35. 35.30% of a number is 6. What is the number?
  36. 36.40% of a number is 14. What is the number?
  37. 37.268 is 80% of ?
  38. 38.189 is 75% of ?
  39. 39.Aarav spent ₹5, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.15 is 60% of ?

Answer key

  1. 82
  2. 350
  3. 340
  4. 355
  5. 380
  6. 320
  7. 120
  8. 320
  9. 215
  10. 258
  11. 100
  12. 252
  13. 55
  14. 110
  15. 280
  16. 240
  17. 340
  18. 275
  19. 290
  20. 250
  21. 20
  22. 105
  23. 290
  24. 250
  25. 280
  26. 170
  27. 60
  28. 150
  29. 110
  30. 4
  31. 100
  32. 150
  33. 60
  34. 260
  35. 20
  36. 35
  37. 335
  38. 252
  39. 50
  40. 25

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