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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 230 · 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. 1.20 is 80% of ?
  2. 2.60 is 25% of ?
  3. 3.Sara spent ₹198, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  4. 4.Ishaan spent ₹249, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  5. 5.114 is 40% of ?
  6. 6.51 is 30% of ?
  7. 7.25% of a number is 73. What is the number?
  8. 8.Kabir spent ₹30, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  9. 9.25% of a number is 85. What is the number?
  10. 10.6 is 15% of ?
  11. 11.10% of a number is 8. What is the number?
  12. 12.Sara spent ₹28, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  13. 13.10% of a number is 29. What is the number?
  14. 14.20% of a number is 32. What is the number?
  15. 15.10% of a number is 5. What is the number?
  16. 16.75% of a number is 294. What is the number?
  17. 17.60% of a number is 66. What is the number?
  18. 18.183 is 75% of ?
  19. 19.14 is 10% of ?
  20. 20.Aarav spent ₹84, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  21. 21.Riya spent ₹33, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.Ishaan spent ₹12, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.40% of a number is 90. What is the number?
  24. 24.40% of a number is 34. What is the number?
  25. 25.45 is 20% of ?
  26. 26.26 is 20% of ?
  27. 27.3 is 5% of ?
  28. 28.10% of a number is 21. What is the number?
  29. 29.Ishaan spent ₹14, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  30. 30.189 is 60% of ?
  31. 31.Kabir spent ₹135, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  32. 32.9 is 20% of ?
  33. 33.12% of a number is 21. What is the number?
  34. 34.Anaya spent ₹14, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  35. 35.12% of a number is 48. What is the number?
  36. 36.15% of a number is 21. What is the number?
  37. 37.36 is 40% of ?
  38. 38.34 is 50% of ?
  39. 39.3 is 25% of ?
  40. 40.40% of a number is 28. What is the number?

Answer key

  1. 25
  2. 240
  3. 264
  4. 332
  5. 285
  6. 170
  7. 292
  8. 75
  9. 340
  10. 40
  11. 80
  12. 280
  13. 290
  14. 160
  15. 50
  16. 392
  17. 110
  18. 244
  19. 140
  20. 140
  21. 55
  22. 15
  23. 225
  24. 85
  25. 225
  26. 130
  27. 60
  28. 210
  29. 280
  30. 315
  31. 180
  32. 45
  33. 175
  34. 280
  35. 400
  36. 140
  37. 90
  38. 68
  39. 12
  40. 70

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