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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 791 · 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. 1.57 is 15% of ?
  2. 2.80% of a number is 56. What is the number?
  3. 3.Rohan spent ₹18, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  4. 4.50% of a number is 99. What is the number?
  5. 5.17 is 10% of ?
  6. 6.25% of a number is 12. What is the number?
  7. 7.Ishaan spent ₹124, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.69 is 25% of ?
  9. 9.Sara spent ₹7, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.80% of a number is 112. What is the number?
  11. 11.40% of a number is 54. What is the number?
  12. 12.60% of a number is 165. What is the number?
  13. 13.151 is 50% of ?
  14. 14.10% of a number is 12. What is the number?
  15. 15.Sara spent ₹60, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  16. 16.10% of a number is 26. What is the number?
  17. 17.43 is 25% of ?
  18. 18.15% of a number is 15. What is the number?
  19. 19.38 is 25% of ?
  20. 20.75% of a number is 294. What is the number?
  21. 21.Sara spent ₹231, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  22. 22.96 is 60% of ?
  23. 23.Aarav spent ₹44, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  24. 24.80% of a number is 4. What is the number?
  25. 25.18 is 15% of ?
  26. 26.Dev spent ₹91, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  27. 27.45 is 30% of ?
  28. 28.50% of a number is 59. What is the number?
  29. 29.76 is 20% of ?
  30. 30.Isha spent ₹268, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  31. 31.27 is 10% of ?
  32. 32.30% of a number is 117. What is the number?
  33. 33.50% of a number is 121. What is the number?
  34. 34.8 is 10% of ?
  35. 35.10% of a number is 28. What is the number?
  36. 36.Rohan spent ₹75, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  37. 37.50% of a number is 32. What is the number?
  38. 38.36 is 75% of ?
  39. 39.63 is 30% of ?
  40. 40.Sara spent ₹8, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 380
  2. 70
  3. 90
  4. 198
  5. 170
  6. 48
  7. 155
  8. 276
  9. 70
  10. 140
  11. 135
  12. 275
  13. 302
  14. 120
  15. 200
  16. 260
  17. 172
  18. 100
  19. 152
  20. 392
  21. 308
  22. 160
  23. 55
  24. 5
  25. 120
  26. 364
  27. 150
  28. 118
  29. 380
  30. 335
  31. 270
  32. 390
  33. 242
  34. 80
  35. 280
  36. 375
  37. 64
  38. 48
  39. 210
  40. 160

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