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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 593 · 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.Ishaan spent ₹87, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  2. 2.77 is 25% of ?
  3. 3.10% of a number is 26. What is the number?
  4. 4.10 is 5% of ?
  5. 5.Ishaan spent ₹24, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  6. 6.Anaya spent ₹45, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  7. 7.240 is 60% of ?
  8. 8.20% of a number is 62. What is the number?
  9. 9.20% of a number is 28. What is the number?
  10. 10.10% of a number is 9. What is the number?
  11. 11.25% of a number is 7. What is the number?
  12. 12.60% of a number is 162. What is the number?
  13. 13.30% of a number is 66. What is the number?
  14. 14.20 is 50% of ?
  15. 15.Arjun spent ₹9, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.18 is 12% of ?
  17. 17.Anaya spent ₹284, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  18. 18.Riya spent ₹12, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.Riya spent ₹24, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.51 is 30% of ?
  21. 21.70 is 40% of ?
  22. 22.Aarav spent ₹7, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  23. 23.10% of a number is 17. What is the number?
  24. 24.Ishaan spent ₹183, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  25. 25.Meera spent ₹4, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  26. 26.Anaya spent ₹17, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  27. 27.75% of a number is 21. What is the number?
  28. 28.50% of a number is 132. What is the number?
  29. 29.10 is 50% of ?
  30. 30.273 is 75% of ?
  31. 31.Anaya spent ₹15, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  32. 32.Anaya spent ₹120, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  33. 33.Meera spent ₹30, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  34. 34.138 is 75% of ?
  35. 35.25% of a number is 88. What is the number?
  36. 36.Kabir spent ₹81, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.50% of a number is 49. What is the number?
  38. 38.12% of a number is 12. What is the number?
  39. 39.Diya spent ₹24, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  40. 40.Riya spent ₹110, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 116
  2. 308
  3. 260
  4. 200
  5. 60
  6. 375
  7. 400
  8. 310
  9. 140
  10. 90
  11. 28
  12. 270
  13. 220
  14. 40
  15. 36
  16. 150
  17. 355
  18. 100
  19. 120
  20. 170
  21. 175
  22. 140
  23. 170
  24. 366
  25. 8
  26. 170
  27. 28
  28. 264
  29. 20
  30. 364
  31. 100
  32. 150
  33. 100
  34. 184
  35. 352
  36. 270
  37. 98
  38. 100
  39. 160
  40. 220

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