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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 958 · 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 36. What is the number?
  2. 2.232 is 80% of ?
  3. 3.Diya spent ₹24, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  4. 4.75% of a number is 12. What is the number?
  5. 5.105 is 50% of ?
  6. 6.12% of a number is 18. What is the number?
  7. 7.20% of a number is 78. What is the number?
  8. 8.28 is 40% of ?
  9. 9.Dev spent ₹71, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  10. 10.80% of a number is 104. What is the number?
  11. 11.Ishaan spent ₹19, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  12. 12.Meera spent ₹27, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  13. 13.5% of a number is 6. What is the number?
  14. 14.Rohan spent ₹31, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.6 is 20% of ?
  16. 16.147 is 75% of ?
  17. 17.30% of a number is 69. What is the number?
  18. 18.25% of a number is 16. What is the number?
  19. 19.21 is 12% of ?
  20. 20.Arjun spent ₹75, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  21. 21.75 is 30% of ?
  22. 22.50% of a number is 7. What is the number?
  23. 23.15 is 10% of ?
  24. 24.15% of a number is 39. What is the number?
  25. 25.15 is 15% of ?
  26. 26.Isha spent ₹273, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  27. 27.30% of a number is 48. What is the number?
  28. 28.Diya spent ₹64, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  29. 29.21 is 30% of ?
  30. 30.15% of a number is 45. What is the number?
  31. 31.108 is 75% of ?
  32. 32.25% of a number is 32. What is the number?
  33. 33.Dev spent ₹62, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  34. 34.Sara spent ₹96, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.20 is 20% of ?
  36. 36.69 is 20% of ?
  37. 37.54 is 75% of ?
  38. 38.160 is 80% of ?
  39. 39.5% of a number is 1. What is the number?
  40. 40.36 is 12% of ?

Answer key

  1. 120
  2. 290
  3. 240
  4. 16
  5. 210
  6. 150
  7. 390
  8. 70
  9. 284
  10. 130
  11. 380
  12. 180
  13. 120
  14. 155
  15. 30
  16. 196
  17. 230
  18. 64
  19. 175
  20. 250
  21. 250
  22. 14
  23. 150
  24. 260
  25. 100
  26. 364
  27. 160
  28. 160
  29. 70
  30. 300
  31. 144
  32. 128
  33. 155
  34. 320
  35. 100
  36. 345
  37. 72
  38. 200
  39. 20
  40. 300

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