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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 475 · 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. 1.75% of a number is 201. What is the number?
  2. 2.Isha spent ₹78, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  3. 3.10% of a number is 36. What is the number?
  4. 4.72 is 75% of ?
  5. 5.Sara spent ₹55, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.Arjun spent ₹3, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  7. 7.15 is 20% of ?
  8. 8.20% of a number is 8. What is the number?
  9. 9.Aarav spent ₹21, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.20% of a number is 80. What is the number?
  11. 11.20% of a number is 17. What is the number?
  12. 12.40% of a number is 58. What is the number?
  13. 13.Ishaan spent ₹37, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  14. 14.60% of a number is 120. What is the number?
  15. 15.42 is 15% of ?
  16. 16.76 is 40% of ?
  17. 17.Rohan spent ₹51, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  18. 18.128 is 40% of ?
  19. 19.12% of a number is 30. What is the number?
  20. 20.Sara spent ₹30, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  21. 21.18 is 10% of ?
  22. 22.Isha spent ₹6, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  23. 23.8 is 25% of ?
  24. 24.50% of a number is 67. What is the number?
  25. 25.40% of a number is 152. What is the number?
  26. 26.31 is 20% of ?
  27. 27.Dev spent ₹20, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  28. 28.Arjun spent ₹37, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  29. 29.10% of a number is 10. What is the number?
  30. 30.80% of a number is 180. What is the number?
  31. 31.57 is 60% of ?
  32. 32.151 is 50% of ?
  33. 33.204 is 80% of ?
  34. 34.Diya spent ₹44, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  35. 35.5 is 10% of ?
  36. 36.60% of a number is 102. What is the number?
  37. 37.33 is 25% of ?
  38. 38.Anaya spent ₹138, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  39. 39.51 is 15% of ?
  40. 40.25% of a number is 10. What is the number?

Answer key

  1. 268
  2. 390
  3. 360
  4. 96
  5. 220
  6. 25
  7. 75
  8. 40
  9. 70
  10. 400
  11. 85
  12. 145
  13. 74
  14. 200
  15. 280
  16. 190
  17. 204
  18. 320
  19. 250
  20. 100
  21. 180
  22. 40
  23. 32
  24. 134
  25. 380
  26. 155
  27. 400
  28. 370
  29. 100
  30. 225
  31. 95
  32. 302
  33. 255
  34. 176
  35. 50
  36. 170
  37. 132
  38. 230
  39. 340
  40. 40

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