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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 256 · 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. 1.264 is 75% of ?
  2. 2.10% of a number is 33. What is the number?
  3. 3.30% of a number is 105. What is the number?
  4. 4.Rohan spent ₹150, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  5. 5.Riya spent ₹60, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  6. 6.45 is 15% of ?
  7. 7.Ishaan spent ₹24, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.50% of a number is 78. What is the number?
  9. 9.Arjun spent ₹24, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  10. 10.10 is 10% of ?
  11. 11.Riya spent ₹102, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  12. 12.119 is 50% of ?
  13. 13.80% of a number is 128. What is the number?
  14. 14.109 is 50% of ?
  15. 15.Sara spent ₹12, which is 15% 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.Riya spent ₹36, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  18. 18.60% of a number is 30. What is the number?
  19. 19.75% of a number is 45. What is the number?
  20. 20.10% of a number is 27. What is the number?
  21. 21.12% of a number is 42. What is the number?
  22. 22.Rohan spent ₹46, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  23. 23.40% of a number is 120. What is the number?
  24. 24.246 is 75% of ?
  25. 25.25% of a number is 78. What is the number?
  26. 26.75% of a number is 120. What is the number?
  27. 27.10% of a number is 30. What is the number?
  28. 28.60% of a number is 192. What is the number?
  29. 29.Kabir spent ₹86, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  30. 30.18 is 60% of ?
  31. 31.75% of a number is 99. What is the number?
  32. 32.Anaya spent ₹25, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  33. 33.35 is 25% of ?
  34. 34.5% of a number is 15. What is the number?
  35. 35.188 is 80% of ?
  36. 36.15% of a number is 21. What is the number?
  37. 37.Riya spent ₹96, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.118 is 50% of ?
  39. 39.18 is 40% of ?
  40. 40.5% of a number is 17. What is the number?

Answer key

  1. 352
  2. 330
  3. 350
  4. 250
  5. 75
  6. 300
  7. 80
  8. 156
  9. 200
  10. 100
  11. 255
  12. 238
  13. 160
  14. 218
  15. 80
  16. 260
  17. 360
  18. 50
  19. 60
  20. 270
  21. 350
  22. 230
  23. 300
  24. 328
  25. 312
  26. 160
  27. 300
  28. 320
  29. 215
  30. 30
  31. 132
  32. 125
  33. 140
  34. 300
  35. 235
  36. 140
  37. 120
  38. 236
  39. 45
  40. 340

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