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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 949 · 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. 1.80% of a number is 164. What is the number?
  2. 2.25% of a number is 71. What is the number?
  3. 3.60% of a number is 144. What is the number?
  4. 4.80% of a number is 80. What is the number?
  5. 5.5% of a number is 11. What is the number?
  6. 6.Anaya spent ₹36, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  7. 7.63 is 30% of ?
  8. 8.Kabir spent ₹63, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  9. 9.16 is 80% of ?
  10. 10.15% of a number is 33. What is the number?
  11. 11.68 is 40% of ?
  12. 12.25% of a number is 65. What is the number?
  13. 13.Arjun spent ₹300, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  14. 14.Aarav spent ₹36, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.21 is 10% of ?
  16. 16.26 is 10% of ?
  17. 17.21 is 60% of ?
  18. 18.50% of a number is 171. What is the number?
  19. 19.16 is 10% of ?
  20. 20.3 is 15% of ?
  21. 21.192 is 80% of ?
  22. 22.15% of a number is 9. What is the number?
  23. 23.54 is 40% of ?
  24. 24.Anaya spent ₹12, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  25. 25.Isha spent ₹294, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  26. 26.Rohan spent ₹15, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  27. 27.Aarav spent ₹1, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  28. 28.Arjun spent ₹21, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  29. 29.5% of a number is 2. What is the number?
  30. 30.39 is 30% of ?
  31. 31.43 is 20% of ?
  32. 32.210 is 60% of ?
  33. 33.Riya spent ₹236, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  34. 34.30% of a number is 66. What is the number?
  35. 35.75% of a number is 288. What is the number?
  36. 36.152 is 80% of ?
  37. 37.Dev spent ₹18, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  38. 38.Riya spent ₹228, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  39. 39.147 is 75% of ?
  40. 40.30% of a number is 84. What is the number?

Answer key

  1. 205
  2. 284
  3. 240
  4. 100
  5. 220
  6. 120
  7. 210
  8. 105
  9. 20
  10. 220
  11. 170
  12. 260
  13. 400
  14. 300
  15. 210
  16. 260
  17. 35
  18. 342
  19. 160
  20. 20
  21. 240
  22. 60
  23. 135
  24. 60
  25. 392
  26. 100
  27. 10
  28. 210
  29. 40
  30. 130
  31. 215
  32. 350
  33. 295
  34. 220
  35. 384
  36. 190
  37. 120
  38. 304
  39. 196
  40. 280

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