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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 865 · 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 ₹24, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  2. 2.Meera spent ₹39, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.216 is 60% of ?
  4. 4.2 is 5% of ?
  5. 5.10% of a number is 6. What is the number?
  6. 6.18 is 10% of ?
  7. 7.Sara spent ₹8, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.10% of a number is 11. What is the number?
  9. 9.10% of a number is 9. What is the number?
  10. 10.62 is 20% of ?
  11. 11.75% of a number is 93. What is the number?
  12. 12.20% of a number is 23. What is the number?
  13. 13.60% of a number is 33. What is the number?
  14. 14.Anaya spent ₹12, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  15. 15.Arjun spent ₹19, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.Kabir spent ₹25, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  17. 17.57 is 75% of ?
  18. 18.30% of a number is 99. What is the number?
  19. 19.4 is 10% of ?
  20. 20.33 is 10% of ?
  21. 21.Riya spent ₹3, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.15 is 12% of ?
  23. 23.Riya spent ₹21, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.Kabir spent ₹37, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  25. 25.Dev spent ₹22, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.Riya spent ₹66, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.80% of a number is 240. What is the number?
  28. 28.80% of a number is 156. What is the number?
  29. 29.114 is 30% of ?
  30. 30.10% of a number is 22. What is the number?
  31. 31.Anaya spent ₹49, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  32. 32.69 is 30% of ?
  33. 33.80% of a number is 172. What is the number?
  34. 34.1 is 5% of ?
  35. 35.93 is 25% of ?
  36. 36.40% of a number is 136. What is the number?
  37. 37.Isha spent ₹7, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  38. 38.Sara spent ₹222, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.Rohan spent ₹1, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  40. 40.5% of a number is 20. What is the number?

Answer key

  1. 160
  2. 325
  3. 360
  4. 40
  5. 60
  6. 180
  7. 80
  8. 110
  9. 90
  10. 310
  11. 124
  12. 115
  13. 55
  14. 30
  15. 76
  16. 125
  17. 76
  18. 330
  19. 40
  20. 330
  21. 30
  22. 125
  23. 35
  24. 370
  25. 220
  26. 264
  27. 300
  28. 195
  29. 380
  30. 220
  31. 196
  32. 230
  33. 215
  34. 20
  35. 372
  36. 340
  37. 140
  38. 370
  39. 20
  40. 400

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