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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 218 · 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. 1.60 is 60% of ?
  2. 2.39 is 30% of ?
  3. 3.1 is 5% of ?
  4. 4.75% of a number is 93. What is the number?
  5. 5.Ishaan spent ₹159, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  6. 6.Anaya spent ₹24, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  7. 7.10% of a number is 25. What is the number?
  8. 8.40% of a number is 64. What is the number?
  9. 9.30% of a number is 93. What is the number?
  10. 10.Diya spent ₹39, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  11. 11.25% of a number is 14. What is the number?
  12. 12.Diya spent ₹110, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  13. 13.75 is 60% of ?
  14. 14.75% of a number is 285. What is the number?
  15. 15.20% of a number is 7. What is the number?
  16. 16.Meera spent ₹2, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  17. 17.15% of a number is 36. What is the number?
  18. 18.80% of a number is 64. What is the number?
  19. 19.50% of a number is 42. What is the number?
  20. 20.Ishaan spent ₹84, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  21. 21.25% of a number is 47. What is the number?
  22. 22.Anaya spent ₹2, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  23. 23.25% of a number is 84. What is the number?
  24. 24.56 is 50% of ?
  25. 25.80 is 25% of ?
  26. 26.20% of a number is 18. What is the number?
  27. 27.Kabir spent ₹97, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  28. 28.25% of a number is 11. What is the number?
  29. 29.75% of a number is 177. What is the number?
  30. 30.Arjun spent ₹213, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  31. 31.16 is 10% of ?
  32. 32.Ishaan spent ₹78, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.80% of a number is 84. What is the number?
  34. 34.Aarav spent ₹185, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.5% of a number is 20. What is the number?
  36. 36.Dev spent ₹3, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  37. 37.80% of a number is 40. What is the number?
  38. 38.10% of a number is 7. What is the number?
  39. 39.25% of a number is 83. What is the number?
  40. 40.12% of a number is 27. What is the number?

Answer key

  1. 100
  2. 130
  3. 20
  4. 124
  5. 265
  6. 160
  7. 250
  8. 160
  9. 310
  10. 65
  11. 56
  12. 275
  13. 125
  14. 380
  15. 35
  16. 40
  17. 240
  18. 80
  19. 84
  20. 105
  21. 188
  22. 20
  23. 336
  24. 112
  25. 320
  26. 90
  27. 194
  28. 44
  29. 236
  30. 284
  31. 160
  32. 260
  33. 105
  34. 370
  35. 400
  36. 25
  37. 50
  38. 70
  39. 332
  40. 225

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