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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 114 · 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. 1.60% of a number is 3. What is the number?
  2. 2.10% of a number is 22. What is the number?
  3. 3.5% of a number is 19. What is the number?
  4. 4.Anaya spent ₹2, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  5. 5.300 is 80% of ?
  6. 6.70 is 40% of ?
  7. 7.38 is 40% of ?
  8. 8.60% of a number is 96. What is the number?
  9. 9.10% of a number is 4. What is the number?
  10. 10.Ishaan spent ₹16, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  11. 11.Meera spent ₹62, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  12. 12.30% of a number is 36. What is the number?
  13. 13.Riya spent ₹27, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  14. 14.10% of a number is 36. What is the number?
  15. 15.39 is 60% of ?
  16. 16.30% of a number is 42. What is the number?
  17. 17.40% of a number is 6. What is the number?
  18. 18.50% of a number is 157. What is the number?
  19. 19.Dev spent ₹15, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  20. 20.2 is 10% of ?
  21. 21.111 is 60% of ?
  22. 22.40% of a number is 148. What is the number?
  23. 23.80% of a number is 20. What is the number?
  24. 24.75% of a number is 246. What is the number?
  25. 25.12% of a number is 36. What is the number?
  26. 26.Aarav spent ₹106, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  27. 27.276 is 80% of ?
  28. 28.75% of a number is 288. What is the number?
  29. 29.Isha spent ₹27, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.25% of a number is 82. What is the number?
  31. 31.30 is 60% of ?
  32. 32.Riya spent ₹78, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.Diya spent ₹138, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  34. 34.25% of a number is 29. What is the number?
  35. 35.15% of a number is 39. What is the number?
  36. 36.30% of a number is 9. What is the number?
  37. 37.12% of a number is 45. What is the number?
  38. 38.20% of a number is 80. What is the number?
  39. 39.58 is 20% of ?
  40. 40.40% of a number is 138. What is the number?

Answer key

  1. 5
  2. 220
  3. 380
  4. 20
  5. 375
  6. 175
  7. 95
  8. 160
  9. 40
  10. 320
  11. 155
  12. 120
  13. 108
  14. 360
  15. 65
  16. 140
  17. 15
  18. 314
  19. 300
  20. 20
  21. 185
  22. 370
  23. 25
  24. 328
  25. 300
  26. 212
  27. 345
  28. 384
  29. 135
  30. 328
  31. 50
  32. 156
  33. 230
  34. 116
  35. 260
  36. 30
  37. 375
  38. 400
  39. 290
  40. 345

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