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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 364 · 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. 1.80% of a number is 28. What is the number?
  2. 2.Rohan spent ₹33, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  3. 3.23 is 10% of ?
  4. 4.30% of a number is 69. What is the number?
  5. 5.6 is 60% of ?
  6. 6.94 is 40% of ?
  7. 7.75% of a number is 66. What is the number?
  8. 8.Rohan spent ₹4, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  9. 9.80% of a number is 320. What is the number?
  10. 10.29 is 10% of ?
  11. 11.30% of a number is 111. What is the number?
  12. 12.Sara spent ₹4, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  13. 13.Rohan spent ₹179, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  14. 14.Anaya spent ₹22, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  15. 15.50% of a number is 146. What is the number?
  16. 16.Anaya spent ₹25, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  17. 17.22 is 20% of ?
  18. 18.15% of a number is 39. What is the number?
  19. 19.112 is 40% of ?
  20. 20.130 is 40% of ?
  21. 21.60% of a number is 102. What is the number?
  22. 22.Isha spent ₹300, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  23. 23.69 is 20% of ?
  24. 24.40% of a number is 132. What is the number?
  25. 25.136 is 80% of ?
  26. 26.117 is 30% of ?
  27. 27.Dev spent ₹150, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  28. 28.80% of a number is 76. What is the number?
  29. 29.4 is 10% of ?
  30. 30.60% of a number is 3. What is the number?
  31. 31.55 is 25% of ?
  32. 32.Isha spent ₹126, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  33. 33.Isha spent ₹24, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.75% of a number is 237. What is the number?
  35. 35.36 is 15% of ?
  36. 36.30% of a number is 51. What is the number?
  37. 37.25% of a number is 22. What is the number?
  38. 38.40% of a number is 114. What is the number?
  39. 39.Meera spent ₹4, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  40. 40.162 is 75% of ?

Answer key

  1. 35
  2. 330
  3. 230
  4. 230
  5. 10
  6. 235
  7. 88
  8. 20
  9. 400
  10. 290
  11. 370
  12. 5
  13. 358
  14. 220
  15. 292
  16. 125
  17. 110
  18. 260
  19. 280
  20. 325
  21. 170
  22. 375
  23. 345
  24. 330
  25. 170
  26. 390
  27. 300
  28. 95
  29. 40
  30. 5
  31. 220
  32. 210
  33. 160
  34. 316
  35. 240
  36. 170
  37. 88
  38. 285
  39. 80
  40. 216

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