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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 469 · 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. 1.40% of a number is 36. What is the number?
  2. 2.316 is 80% of ?
  3. 3.Diya spent ₹75, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  4. 4.100 is 40% of ?
  5. 5.Ishaan spent ₹39, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  6. 6.Riya spent ₹78, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  7. 7.40% of a number is 104. What is the number?
  8. 8.Ishaan spent ₹49, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  9. 9.15% of a number is 51. What is the number?
  10. 10.Riya spent ₹152, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  11. 11.10% of a number is 20. What is the number?
  12. 12.5% of a number is 1. What is the number?
  13. 13.15% of a number is 18. What is the number?
  14. 14.Rohan spent ₹140, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.60% of a number is 201. What is the number?
  16. 16.Anaya spent ₹20, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  17. 17.Meera spent ₹15, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.50% of a number is 192. What is the number?
  19. 19.Aarav spent ₹27, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  20. 20.Aarav spent ₹34, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  21. 21.20% of a number is 10. What is the number?
  22. 22.10% of a number is 3. What is the number?
  23. 23.126 is 60% of ?
  24. 24.Ishaan spent ₹120, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  25. 25.30% of a number is 72. What is the number?
  26. 26.75% of a number is 90. What is the number?
  27. 27.Dev spent ₹15, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  28. 28.63 is 60% of ?
  29. 29.40% of a number is 14. What is the number?
  30. 30.15 is 60% of ?
  31. 31.15 is 75% of ?
  32. 32.Meera spent ₹2, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  33. 33.Arjun spent ₹128, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  34. 34.15 is 25% of ?
  35. 35.100 is 50% of ?
  36. 36.50% of a number is 98. What is the number?
  37. 37.60% of a number is 24. What is the number?
  38. 38.36 is 25% of ?
  39. 39.5% of a number is 13. What is the number?
  40. 40.12% of a number is 6. What is the number?

Answer key

  1. 90
  2. 395
  3. 250
  4. 250
  5. 130
  6. 260
  7. 260
  8. 98
  9. 340
  10. 190
  11. 200
  12. 20
  13. 120
  14. 175
  15. 335
  16. 200
  17. 100
  18. 384
  19. 180
  20. 85
  21. 50
  22. 30
  23. 210
  24. 400
  25. 240
  26. 120
  27. 100
  28. 105
  29. 35
  30. 25
  31. 20
  32. 5
  33. 160
  34. 60
  35. 200
  36. 196
  37. 40
  38. 144
  39. 260
  40. 50

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