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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 504 · 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.Riya spent ₹75, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.85 is 50% of ?
  3. 3.25% of a number is 12. What is the number?
  4. 4.60% of a number is 159. What is the number?
  5. 5.Anaya spent ₹87, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  6. 6.Meera spent ₹51, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.24 is 10% of ?
  8. 8.25% of a number is 79. What is the number?
  9. 9.30% of a number is 21. What is the number?
  10. 10.171 is 60% of ?
  11. 11.48 is 80% of ?
  12. 12.25% of a number is 20. What is the number?
  13. 13.25% of a number is 57. What is the number?
  14. 14.Anaya spent ₹27, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  15. 15.25% of a number is 45. What is the number?
  16. 16.Kabir spent ₹57, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  17. 17.Arjun spent ₹105, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.96 is 60% of ?
  19. 19.9 is 5% of ?
  20. 20.40% of a number is 148. What is the number?
  21. 21.Isha spent ₹43, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  22. 22.18 is 25% of ?
  23. 23.189 is 60% of ?
  24. 24.18 is 20% of ?
  25. 25.50% of a number is 122. What is the number?
  26. 26.39 is 50% of ?
  27. 27.204 is 80% of ?
  28. 28.Kabir spent ₹15, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  29. 29.50% of a number is 66. What is the number?
  30. 30.Ishaan spent ₹10, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  31. 31.5 is 5% of ?
  32. 32.50% of a number is 117. What is the number?
  33. 33.10% of a number is 5. What is the number?
  34. 34.15 is 15% of ?
  35. 35.75% of a number is 75. What is the number?
  36. 36.3 is 5% of ?
  37. 37.52 is 25% of ?
  38. 38.Riya spent ₹94, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  39. 39.136 is 80% of ?
  40. 40.Rohan spent ₹1, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?

Answer key

  1. 375
  2. 170
  3. 48
  4. 265
  5. 145
  6. 340
  7. 240
  8. 316
  9. 70
  10. 285
  11. 60
  12. 80
  13. 228
  14. 225
  15. 180
  16. 95
  17. 350
  18. 160
  19. 180
  20. 370
  21. 172
  22. 72
  23. 315
  24. 90
  25. 244
  26. 78
  27. 255
  28. 100
  29. 132
  30. 25
  31. 100
  32. 234
  33. 50
  34. 100
  35. 100
  36. 60
  37. 208
  38. 376
  39. 170
  40. 10

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