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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 115 · 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. 1.15% of a number is 57. What is the number?
  2. 2.220 is 80% of ?
  3. 3.Arjun spent ₹16, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  4. 4.50% of a number is 133. What is the number?
  5. 5.Aarav spent ₹53, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  6. 6.Anaya spent ₹18, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  7. 7.23 is 10% of ?
  8. 8.2 is 5% of ?
  9. 9.75% of a number is 135. What is the number?
  10. 10.15% of a number is 42. What is the number?
  11. 11.Ishaan spent ₹5, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  12. 12.5 is 10% of ?
  13. 13.Riya spent ₹6, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  14. 14.93 is 75% of ?
  15. 15.68 is 20% of ?
  16. 16.6 is 20% of ?
  17. 17.60% of a number is 69. What is the number?
  18. 18.10% of a number is 2. What is the number?
  19. 19.75% of a number is 162. What is the number?
  20. 20.15% of a number is 27. What is the number?
  21. 21.75% of a number is 291. What is the number?
  22. 22.60% of a number is 51. What is the number?
  23. 23.30% of a number is 18. What is the number?
  24. 24.Ishaan spent ₹46, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  25. 25.20% of a number is 18. What is the number?
  26. 26.25% of a number is 34. What is the number?
  27. 27.Isha spent ₹94, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  28. 28.25% of a number is 21. What is the number?
  29. 29.31 is 25% of ?
  30. 30.5% of a number is 14. What is the number?
  31. 31.Isha spent ₹2, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  32. 32.30% of a number is 3. What is the number?
  33. 33.Kabir spent ₹4, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.20% of a number is 42. What is the number?
  35. 35.Riya spent ₹6, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.Anaya spent ₹17, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  37. 37.15 is 12% of ?
  38. 38.12% of a number is 3. What is the number?
  39. 39.144 is 40% of ?
  40. 40.10% of a number is 10. What is the number?

Answer key

  1. 380
  2. 275
  3. 20
  4. 266
  5. 265
  6. 360
  7. 230
  8. 40
  9. 180
  10. 280
  11. 10
  12. 50
  13. 40
  14. 124
  15. 340
  16. 30
  17. 115
  18. 20
  19. 216
  20. 180
  21. 388
  22. 85
  23. 60
  24. 230
  25. 90
  26. 136
  27. 376
  28. 84
  29. 124
  30. 280
  31. 20
  32. 10
  33. 20
  34. 210
  35. 50
  36. 85
  37. 125
  38. 25
  39. 360
  40. 100

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