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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 232 · 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. 1.72 is 25% of ?
  2. 2.Dev spent ₹141, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  3. 3.Aarav spent ₹36, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.Ishaan spent ₹52, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  5. 5.15 is 12% of ?
  6. 6.20% of a number is 26. What is the number?
  7. 7.33 is 20% of ?
  8. 8.36 is 15% of ?
  9. 9.18 is 10% of ?
  10. 10.26 is 40% of ?
  11. 11.20% of a number is 28. What is the number?
  12. 12.Arjun spent ₹33, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  13. 13.20% of a number is 67. What is the number?
  14. 14.100 is 80% of ?
  15. 15.80% of a number is 108. What is the number?
  16. 16.40% of a number is 40. What is the number?
  17. 17.Sara spent ₹120, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  18. 18.9 is 12% of ?
  19. 19.144 is 40% of ?
  20. 20.25% of a number is 91. What is the number?
  21. 21.10% of a number is 18. What is the number?
  22. 22.Riya spent ₹4, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  23. 23.Sara spent ₹210, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.50% of a number is 195. What is the number?
  25. 25.Sara spent ₹6, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  26. 26.10% of a number is 27. What is the number?
  27. 27.50% of a number is 146. What is the number?
  28. 28.248 is 80% of ?
  29. 29.Isha spent ₹180, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.Arjun spent ₹237, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  31. 31.6 is 10% of ?
  32. 32.25% of a number is 28. What is the number?
  33. 33.80% of a number is 304. What is the number?
  34. 34.Diya spent ₹9, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  35. 35.8 is 20% of ?
  36. 36.Anaya spent ₹4, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  37. 37.12 is 12% of ?
  38. 38.54 is 40% of ?
  39. 39.5% of a number is 13. What is the number?
  40. 40.40% of a number is 38. What is the number?

Answer key

  1. 288
  2. 235
  3. 240
  4. 130
  5. 125
  6. 130
  7. 165
  8. 240
  9. 180
  10. 65
  11. 140
  12. 220
  13. 335
  14. 125
  15. 135
  16. 100
  17. 200
  18. 75
  19. 360
  20. 364
  21. 180
  22. 80
  23. 280
  24. 390
  25. 24
  26. 270
  27. 292
  28. 310
  29. 300
  30. 395
  31. 60
  32. 112
  33. 380
  34. 36
  35. 40
  36. 80
  37. 100
  38. 135
  39. 260
  40. 95

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