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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 306 · 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 ₹69, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  2. 2.2 is 40% of ?
  3. 3.Anaya spent ₹54, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  4. 4.Arjun spent ₹96, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  5. 5.5% of a number is 20. What is the number?
  6. 6.Isha spent ₹39, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  7. 7.44 is 25% of ?
  8. 8.10% of a number is 8. What is the number?
  9. 9.20% of a number is 30. What is the number?
  10. 10.80% of a number is 172. What is the number?
  11. 11.48 is 15% of ?
  12. 12.75% of a number is 147. What is the number?
  13. 13.5% of a number is 19. What is the number?
  14. 14.Ishaan spent ₹24, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  15. 15.76 is 40% of ?
  16. 16.80% of a number is 176. What is the number?
  17. 17.Arjun spent ₹168, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.63 is 20% of ?
  19. 19.75% of a number is 204. What is the number?
  20. 20.Ishaan spent ₹15, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  21. 21.Meera spent ₹45, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  22. 22.Sara spent ₹5, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  23. 23.15% of a number is 6. What is the number?
  24. 24.3 is 60% of ?
  25. 25.Rohan spent ₹264, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  26. 26.42 is 30% of ?
  27. 27.25% of a number is 45. What is the number?
  28. 28.78 is 30% of ?
  29. 29.25% of a number is 28. What is the number?
  30. 30.Isha spent ₹7, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  31. 31.45 is 75% of ?
  32. 32.50% of a number is 47. What is the number?
  33. 33.Kabir spent ₹45, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.Dev spent ₹33, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  35. 35.10% of a number is 2. What is the number?
  36. 36.Aarav spent ₹8, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  37. 37.50% of a number is 171. What is the number?
  38. 38.75% of a number is 27. What is the number?
  39. 39.Riya spent ₹33, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.80% of a number is 200. What is the number?

Answer key

  1. 230
  2. 5
  3. 270
  4. 240
  5. 400
  6. 325
  7. 176
  8. 80
  9. 150
  10. 215
  11. 320
  12. 196
  13. 380
  14. 30
  15. 190
  16. 220
  17. 210
  18. 315
  19. 272
  20. 25
  21. 300
  22. 25
  23. 40
  24. 5
  25. 330
  26. 140
  27. 180
  28. 260
  29. 112
  30. 70
  31. 60
  32. 94
  33. 375
  34. 275
  35. 20
  36. 160
  37. 342
  38. 36
  39. 110
  40. 250

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