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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 72 · 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.Ishaan spent ₹8, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  2. 2.7 is 10% of ?
  3. 3.80% of a number is 304. What is the number?
  4. 4.Sara spent ₹23, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  5. 5.13 is 10% of ?
  6. 6.25% of a number is 100. What is the number?
  7. 7.59 is 20% of ?
  8. 8.Anaya spent ₹48, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  9. 9.93 is 25% of ?
  10. 10.10% of a number is 4. What is the number?
  11. 11.Anaya spent ₹30, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  12. 12.40 is 25% of ?
  13. 13.20% of a number is 32. What is the number?
  14. 14.Aarav spent ₹124, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.Meera spent ₹15, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  16. 16.58 is 40% of ?
  17. 17.Sara spent ₹18, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  18. 18.15% of a number is 21. What is the number?
  19. 19.50% of a number is 15. What is the number?
  20. 20.Ishaan spent ₹114, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  21. 21.Dev spent ₹156, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.5% of a number is 9. What is the number?
  23. 23.20% of a number is 1. What is the number?
  24. 24.45 is 60% of ?
  25. 25.Sara spent ₹39, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  26. 26.12% of a number is 39. What is the number?
  27. 27.8 is 5% of ?
  28. 28.153 is 75% of ?
  29. 29.50% of a number is 118. What is the number?
  30. 30.25% of a number is 16. What is the number?
  31. 31.60% of a number is 15. What is the number?
  32. 32.Isha spent ₹12, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  33. 33.25% of a number is 3. What is the number?
  34. 34.Kabir spent ₹26, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  35. 35.5% of a number is 2. What is the number?
  36. 36.2 is 25% of ?
  37. 37.27 is 60% of ?
  38. 38.Arjun spent ₹6, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  39. 39.40% of a number is 132. What is the number?
  40. 40.66 is 30% of ?

Answer key

  1. 160
  2. 70
  3. 380
  4. 115
  5. 130
  6. 400
  7. 295
  8. 320
  9. 372
  10. 40
  11. 120
  12. 160
  13. 160
  14. 248
  15. 100
  16. 145
  17. 150
  18. 140
  19. 30
  20. 190
  21. 390
  22. 180
  23. 5
  24. 75
  25. 325
  26. 325
  27. 160
  28. 204
  29. 236
  30. 64
  31. 25
  32. 240
  33. 12
  34. 104
  35. 40
  36. 8
  37. 45
  38. 15
  39. 330
  40. 220

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