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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 644 · 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 75. What is the number?
  2. 2.40% of a number is 20. What is the number?
  3. 3.39 is 75% of ?
  4. 4.Meera spent ₹39, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  5. 5.40% of a number is 58. What is the number?
  6. 6.Ishaan spent ₹183, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  7. 7.12% of a number is 39. What is the number?
  8. 8.Anaya spent ₹31, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  9. 9.30% of a number is 3. What is the number?
  10. 10.20 is 10% of ?
  11. 11.123 is 75% of ?
  12. 12.75 is 30% of ?
  13. 13.Aarav spent ₹48, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.Dev spent ₹45, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  15. 15.Kabir spent ₹30, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  16. 16.60% of a number is 81. What is the number?
  17. 17.150 is 40% of ?
  18. 18.20% of a number is 59. What is the number?
  19. 19.Ishaan spent ₹174, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  20. 20.80% of a number is 144. What is the number?
  21. 21.50% of a number is 15. What is the number?
  22. 22.25% of a number is 24. What is the number?
  23. 23.Sara spent ₹12, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.29 is 10% of ?
  25. 25.171 is 60% of ?
  26. 26.5% of a number is 5. What is the number?
  27. 27.87 is 60% of ?
  28. 28.60% of a number is 21. What is the number?
  29. 29.75 is 60% of ?
  30. 30.50% of a number is 175. What is the number?
  31. 31.80% of a number is 164. What is the number?
  32. 32.50% of a number is 150. What is the number?
  33. 33.16 is 50% of ?
  34. 34.10% of a number is 2. What is the number?
  35. 35.Diya spent ₹212, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  36. 36.Meera spent ₹9, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  37. 37.Kabir spent ₹68, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  38. 38.15% of a number is 3. What is the number?
  39. 39.10% of a number is 23. What is the number?
  40. 40.6 is 40% of ?

Answer key

  1. 250
  2. 50
  3. 52
  4. 260
  5. 145
  6. 244
  7. 325
  8. 62
  9. 10
  10. 200
  11. 164
  12. 250
  13. 400
  14. 300
  15. 200
  16. 135
  17. 375
  18. 295
  19. 232
  20. 180
  21. 30
  22. 96
  23. 100
  24. 290
  25. 285
  26. 100
  27. 145
  28. 35
  29. 125
  30. 350
  31. 205
  32. 300
  33. 32
  34. 20
  35. 265
  36. 180
  37. 85
  38. 20
  39. 230
  40. 15

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