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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 585 · 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. 1.80 is 20% of ?
  2. 2.Arjun spent ₹33, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  3. 3.90 is 75% of ?
  4. 4.Meera spent ₹210, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  5. 5.Meera spent ₹9, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  6. 6.Riya spent ₹2, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  7. 7.156 is 60% of ?
  8. 8.51 is 30% of ?
  9. 9.60% of a number is 141. What is the number?
  10. 10.Anaya spent ₹44, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.Anaya spent ₹2, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  12. 12.Kabir spent ₹75, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  13. 13.42 is 12% of ?
  14. 14.19 is 20% of ?
  15. 15.20% of a number is 77. What is the number?
  16. 16.30% of a number is 21. What is the number?
  17. 17.25% of a number is 53. What is the number?
  18. 18.Riya spent ₹26, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.Anaya spent ₹17, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  20. 20.114 is 60% of ?
  21. 21.25% of a number is 84. What is the number?
  22. 22.9 is 20% of ?
  23. 23.12% of a number is 42. What is the number?
  24. 24.Rohan spent ₹31, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  25. 25.Sara spent ₹158, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  26. 26.10% of a number is 28. What is the number?
  27. 27.Isha spent ₹12, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  28. 28.Diya spent ₹62, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  29. 29.20% of a number is 55. What is the number?
  30. 30.16 is 20% of ?
  31. 31.Riya spent ₹8, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.70 is 50% of ?
  33. 33.10% of a number is 7. What is the number?
  34. 34.Rohan spent ₹7, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.50% of a number is 128. What is the number?
  36. 36.40% of a number is 104. What is the number?
  37. 37.Diya spent ₹12, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.10 is 20% of ?
  39. 39.Aarav spent ₹248, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.25% of a number is 72. What is the number?

Answer key

  1. 400
  2. 330
  3. 120
  4. 350
  5. 75
  6. 20
  7. 260
  8. 170
  9. 235
  10. 220
  11. 10
  12. 300
  13. 350
  14. 95
  15. 385
  16. 70
  17. 212
  18. 260
  19. 340
  20. 190
  21. 336
  22. 45
  23. 350
  24. 124
  25. 395
  26. 280
  27. 30
  28. 124
  29. 275
  30. 80
  31. 10
  32. 140
  33. 70
  34. 140
  35. 256
  36. 260
  37. 240
  38. 50
  39. 310
  40. 288

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