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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 741 · 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. 1.20% of a number is 57. What is the number?
  2. 2.Arjun spent ₹212, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  3. 3.6 is 10% of ?
  4. 4.78 is 20% of ?
  5. 5.10% of a number is 28. What is the number?
  6. 6.111 is 30% of ?
  7. 7.12 is 15% of ?
  8. 8.50% of a number is 53. What is the number?
  9. 9.60 is 20% of ?
  10. 10.Anaya spent ₹57, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.92 is 40% of ?
  12. 12.111 is 60% of ?
  13. 13.102 is 40% of ?
  14. 14.Sara spent ₹108, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  15. 15.15% of a number is 3. What is the number?
  16. 16.234 is 60% of ?
  17. 17.10% of a number is 38. What is the number?
  18. 18.84 is 30% of ?
  19. 19.5% of a number is 11. What is the number?
  20. 20.Kabir spent ₹66, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.12% of a number is 27. What is the number?
  22. 22.75% of a number is 297. What is the number?
  23. 23.Kabir spent ₹117, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  24. 24.174 is 60% of ?
  25. 25.40% of a number is 100. What is the number?
  26. 26.22 is 10% of ?
  27. 27.Arjun spent ₹7, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  28. 28.204 is 75% of ?
  29. 29.29 is 10% of ?
  30. 30.Aarav spent ₹30, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  31. 31.50% of a number is 82. What is the number?
  32. 32.Riya spent ₹27, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.50% of a number is 13. What is the number?
  34. 34.Isha spent ₹36, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  35. 35.4 is 50% of ?
  36. 36.Isha spent ₹268, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  37. 37.Anaya spent ₹1, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  38. 38.20% of a number is 1. What is the number?
  39. 39.60% of a number is 102. What is the number?
  40. 40.Aarav spent ₹20, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?

Answer key

  1. 285
  2. 265
  3. 60
  4. 390
  5. 280
  6. 370
  7. 80
  8. 106
  9. 300
  10. 380
  11. 230
  12. 185
  13. 255
  14. 144
  15. 20
  16. 390
  17. 380
  18. 280
  19. 220
  20. 110
  21. 225
  22. 396
  23. 390
  24. 290
  25. 250
  26. 220
  27. 140
  28. 272
  29. 290
  30. 50
  31. 164
  32. 108
  33. 26
  34. 240
  35. 8
  36. 335
  37. 20
  38. 5
  39. 170
  40. 50

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