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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 673 · 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% of a number is 234. What is the number?
  2. 2.232 is 80% of ?
  3. 3.20 is 5% of ?
  4. 4.3 is 5% of ?
  5. 5.51 is 60% of ?
  6. 6.75% of a number is 15. What is the number?
  7. 7.Arjun spent ₹90, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  8. 8.Dev spent ₹22, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  9. 9.18 is 15% of ?
  10. 10.14 is 20% of ?
  11. 11.60 is 15% of ?
  12. 12.80% of a number is 208. What is the number?
  13. 13.Isha spent ₹13, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  14. 14.75% of a number is 183. What is the number?
  15. 15.Meera spent ₹36, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  16. 16.80% of a number is 132. What is the number?
  17. 17.50% of a number is 176. What is the number?
  18. 18.Isha spent ₹119, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  19. 19.20% of a number is 25. What is the number?
  20. 20.25% of a number is 5. What is the number?
  21. 21.11 is 5% of ?
  22. 22.15% of a number is 21. What is the number?
  23. 23.129 is 60% of ?
  24. 24.Arjun spent ₹3, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.60% of a number is 81. What is the number?
  26. 26.31 is 10% of ?
  27. 27.25% of a number is 20. What is the number?
  28. 28.64 is 20% of ?
  29. 29.Isha spent ₹30, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.Kabir spent ₹150, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  31. 31.13 is 25% of ?
  32. 32.75% of a number is 288. What is the number?
  33. 33.Anaya spent ₹30, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  34. 34.Rohan spent ₹12, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.9 is 15% of ?
  36. 36.51 is 15% of ?
  37. 37.Dev spent ₹16, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  38. 38.10 is 5% of ?
  39. 39.25% of a number is 45. What is the number?
  40. 40.Rohan spent ₹68, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?

Answer key

  1. 390
  2. 290
  3. 400
  4. 60
  5. 85
  6. 20
  7. 360
  8. 110
  9. 120
  10. 70
  11. 400
  12. 260
  13. 260
  14. 244
  15. 240
  16. 165
  17. 352
  18. 238
  19. 125
  20. 20
  21. 220
  22. 140
  23. 215
  24. 25
  25. 135
  26. 310
  27. 80
  28. 320
  29. 300
  30. 375
  31. 52
  32. 384
  33. 250
  34. 80
  35. 60
  36. 340
  37. 32
  38. 200
  39. 180
  40. 340

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