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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 287 · 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. 1.25% of a number is 70. What is the number?
  2. 2.51 is 60% of ?
  3. 3.25% of a number is 59. What is the number?
  4. 4.20% of a number is 64. What is the number?
  5. 5.150 is 40% of ?
  6. 6.42 is 30% of ?
  7. 7.10% of a number is 17. What is the number?
  8. 8.51 is 15% of ?
  9. 9.5% of a number is 2. What is the number?
  10. 10.62 is 40% of ?
  11. 11.148 is 80% of ?
  12. 12.40% of a number is 116. What is the number?
  13. 13.184 is 80% of ?
  14. 14.21 is 30% of ?
  15. 15.20% of a number is 80. What is the number?
  16. 16.12 is 20% of ?
  17. 17.9 is 30% of ?
  18. 18.Dev spent ₹105, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  19. 19.18 is 75% of ?
  20. 20.12% of a number is 33. What is the number?
  21. 21.5 is 5% of ?
  22. 22.72 is 60% of ?
  23. 23.1 is 5% of ?
  24. 24.Kabir spent ₹39, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  25. 25.84 is 25% of ?
  26. 26.20% of a number is 75. What is the number?
  27. 27.30% of a number is 117. What is the number?
  28. 28.Sara spent ₹84, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  29. 29.40% of a number is 100. What is the number?
  30. 30.25% of a number is 42. What is the number?
  31. 31.75% of a number is 54. What is the number?
  32. 32.75% of a number is 6. What is the number?
  33. 33.20% of a number is 22. What is the number?
  34. 34.20 is 20% of ?
  35. 35.Anaya spent ₹3, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  36. 36.Isha spent ₹49, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  37. 37.4 is 5% of ?
  38. 38.Dev spent ₹16, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  39. 39.82 is 50% of ?
  40. 40.Anaya spent ₹84, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?

Answer key

  1. 280
  2. 85
  3. 236
  4. 320
  5. 375
  6. 140
  7. 170
  8. 340
  9. 40
  10. 155
  11. 185
  12. 290
  13. 230
  14. 70
  15. 400
  16. 60
  17. 30
  18. 350
  19. 24
  20. 275
  21. 100
  22. 120
  23. 20
  24. 390
  25. 336
  26. 375
  27. 390
  28. 210
  29. 250
  30. 168
  31. 72
  32. 8
  33. 110
  34. 100
  35. 20
  36. 245
  37. 80
  38. 64
  39. 164
  40. 280

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