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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 419 · 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.Rohan spent ₹18, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  2. 2.Riya spent ₹144, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  3. 3.57 is 15% of ?
  4. 4.Anaya spent ₹39, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  5. 5.10% of a number is 35. What is the number?
  6. 6.5% of a number is 19. What is the number?
  7. 7.30% of a number is 114. What is the number?
  8. 8.66 is 25% of ?
  9. 9.25% of a number is 3. What is the number?
  10. 10.50% of a number is 62. What is the number?
  11. 11.34 is 40% of ?
  12. 12.Aarav spent ₹10, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  13. 13.Rohan spent ₹134, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  14. 14.8 is 20% of ?
  15. 15.9 is 10% of ?
  16. 16.Diya spent ₹37, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  17. 17.135 is 50% of ?
  18. 18.136 is 40% of ?
  19. 19.11 is 5% of ?
  20. 20.40% of a number is 134. What is the number?
  21. 21.Aarav spent ₹234, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  22. 22.12% of a number is 6. What is the number?
  23. 23.50% of a number is 115. What is the number?
  24. 24.Anaya spent ₹9, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  25. 25.Isha spent ₹60, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  26. 26.10 is 25% of ?
  27. 27.Ishaan spent ₹25, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  28. 28.Aarav spent ₹35, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  29. 29.20% of a number is 76. What is the number?
  30. 30.99 is 60% of ?
  31. 31.18 is 12% of ?
  32. 32.75 is 25% of ?
  33. 33.Riya spent ₹6, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  34. 34.Aarav spent ₹15, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.75% of a number is 9. What is the number?
  36. 36.5% of a number is 20. What is the number?
  37. 37.144 is 80% of ?
  38. 38.Ishaan spent ₹116, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.Ishaan spent ₹240, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  40. 40.99 is 25% of ?

Answer key

  1. 150
  2. 180
  3. 380
  4. 156
  5. 350
  6. 380
  7. 380
  8. 264
  9. 12
  10. 124
  11. 85
  12. 100
  13. 335
  14. 40
  15. 90
  16. 148
  17. 270
  18. 340
  19. 220
  20. 335
  21. 312
  22. 50
  23. 230
  24. 90
  25. 100
  26. 40
  27. 100
  28. 70
  29. 380
  30. 165
  31. 150
  32. 300
  33. 8
  34. 20
  35. 12
  36. 400
  37. 180
  38. 290
  39. 300
  40. 396

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