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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 317 · 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. 1.40% of a number is 146. What is the number?
  2. 2.25% of a number is 58. What is the number?
  3. 3.30% of a number is 63. What is the number?
  4. 4.15% of a number is 15. What is the number?
  5. 5.Isha spent ₹18, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  6. 6.Arjun spent ₹5, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  7. 7.5% of a number is 13. What is the number?
  8. 8.5% of a number is 18. What is the number?
  9. 9.20% of a number is 7. What is the number?
  10. 10.Rohan spent ₹66, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.50 is 20% of ?
  12. 12.22 is 10% of ?
  13. 13.25 is 10% of ?
  14. 14.Sara spent ₹72, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  15. 15.Aarav spent ₹186, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  16. 16.Kabir spent ₹39, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  17. 17.9 is 75% of ?
  18. 18.15% of a number is 45. What is the number?
  19. 19.Diya spent ₹36, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  20. 20.50% of a number is 10. What is the number?
  21. 21.Sara spent ₹60, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  22. 22.10% of a number is 37. What is the number?
  23. 23.50% of a number is 124. What is the number?
  24. 24.16 is 80% of ?
  25. 25.Dev spent ₹11, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.15 is 5% of ?
  27. 27.15% of a number is 21. What is the number?
  28. 28.Kabir spent ₹40, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  29. 29.4 is 50% of ?
  30. 30.80% of a number is 128. What is the number?
  31. 31.Sara spent ₹61, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  32. 32.20% of a number is 17. What is the number?
  33. 33.Sara spent ₹91, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  34. 34.19 is 5% of ?
  35. 35.15 is 75% of ?
  36. 36.15% of a number is 60. What is the number?
  37. 37.7 is 10% of ?
  38. 38.39 is 15% of ?
  39. 39.50% of a number is 173. What is the number?
  40. 40.5 is 5% of ?

Answer key

  1. 365
  2. 232
  3. 210
  4. 100
  5. 150
  6. 100
  7. 260
  8. 360
  9. 35
  10. 110
  11. 250
  12. 220
  13. 250
  14. 90
  15. 310
  16. 260
  17. 12
  18. 300
  19. 300
  20. 20
  21. 200
  22. 370
  23. 248
  24. 20
  25. 55
  26. 300
  27. 140
  28. 50
  29. 8
  30. 160
  31. 244
  32. 85
  33. 182
  34. 380
  35. 20
  36. 400
  37. 70
  38. 260
  39. 346
  40. 100

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage