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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 454 · 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. 1.12% of a number is 33. What is the number?
  2. 2.15 is 75% of ?
  3. 3.104 is 40% of ?
  4. 4.Rohan spent ₹9, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  5. 5.20% of a number is 10. What is the number?
  6. 6.Anaya spent ₹195, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  7. 7.12% of a number is 42. What is the number?
  8. 8.80% of a number is 48. What is the number?
  9. 9.15% of a number is 18. What is the number?
  10. 10.18 is 30% of ?
  11. 11.50% of a number is 154. What is the number?
  12. 12.90 is 30% of ?
  13. 13.105 is 30% of ?
  14. 14.18 is 5% of ?
  15. 15.34 is 20% of ?
  16. 16.153 is 60% of ?
  17. 17.12% of a number is 3. What is the number?
  18. 18.Arjun spent ₹17, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  19. 19.Ishaan spent ₹316, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  20. 20.Ishaan spent ₹78, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  21. 21.75 is 50% of ?
  22. 22.75% of a number is 198. What is the number?
  23. 23.27 is 60% of ?
  24. 24.Kabir spent ₹36, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  25. 25.30 is 12% of ?
  26. 26.Sara spent ₹133, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  27. 27.15% of a number is 36. What is the number?
  28. 28.5 is 20% of ?
  29. 29.Rohan spent ₹272, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.10% of a number is 2. What is the number?
  31. 31.12% of a number is 6. What is the number?
  32. 32.160 is 80% of ?
  33. 33.117 is 50% of ?
  34. 34.Diya spent ₹9, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  35. 35.Kabir spent ₹138, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  36. 36.20% of a number is 17. What is the number?
  37. 37.252 is 80% of ?
  38. 38.Ishaan spent ₹67, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.Ishaan spent ₹21, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  40. 40.60% of a number is 51. What is the number?

Answer key

  1. 275
  2. 20
  3. 260
  4. 45
  5. 50
  6. 260
  7. 350
  8. 60
  9. 120
  10. 60
  11. 308
  12. 300
  13. 350
  14. 360
  15. 170
  16. 255
  17. 25
  18. 340
  19. 395
  20. 130
  21. 150
  22. 264
  23. 45
  24. 60
  25. 250
  26. 266
  27. 240
  28. 25
  29. 340
  30. 20
  31. 50
  32. 200
  33. 234
  34. 180
  35. 276
  36. 85
  37. 315
  38. 134
  39. 175
  40. 85

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