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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 388 · 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. 1.18 is 10% of ?
  2. 2.174 is 60% of ?
  3. 3.75% of a number is 27. What is the number?
  4. 4.Diya spent ₹36, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  5. 5.29 is 25% of ?
  6. 6.60% of a number is 123. What is the number?
  7. 7.Meera spent ₹40, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  8. 8.18 is 15% of ?
  9. 9.Arjun spent ₹129, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  10. 10.25% of a number is 86. What is the number?
  11. 11.15% of a number is 39. What is the number?
  12. 12.Riya spent ₹252, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  13. 13.10% of a number is 5. What is the number?
  14. 14.255 is 75% of ?
  15. 15.10% of a number is 21. What is the number?
  16. 16.Arjun spent ₹216, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  17. 17.9 is 10% of ?
  18. 18.12% of a number is 6. What is the number?
  19. 19.10% of a number is 9. What is the number?
  20. 20.Kabir spent ₹74, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.5% of a number is 2. What is the number?
  22. 22.Meera spent ₹9, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.Arjun spent ₹150, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  24. 24.80% of a number is 248. What is the number?
  25. 25.12 is 15% of ?
  26. 26.60% of a number is 6. What is the number?
  27. 27.Kabir spent ₹60, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  28. 28.5% of a number is 18. What is the number?
  29. 29.15% of a number is 9. What is the number?
  30. 30.5% of a number is 13. What is the number?
  31. 31.60% of a number is 93. What is the number?
  32. 32.3 is 5% of ?
  33. 33.5% of a number is 7. What is the number?
  34. 34.50% of a number is 110. What is the number?
  35. 35.220 is 80% of ?
  36. 36.20% of a number is 5. What is the number?
  37. 37.10% of a number is 39. What is the number?
  38. 38.17 is 5% of ?
  39. 39.60% of a number is 234. What is the number?
  40. 40.Arjun spent ₹27, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?

Answer key

  1. 180
  2. 290
  3. 36
  4. 300
  5. 116
  6. 205
  7. 50
  8. 120
  9. 258
  10. 344
  11. 260
  12. 315
  13. 50
  14. 340
  15. 210
  16. 288
  17. 90
  18. 50
  19. 90
  20. 296
  21. 40
  22. 75
  23. 200
  24. 310
  25. 80
  26. 10
  27. 300
  28. 360
  29. 60
  30. 260
  31. 155
  32. 60
  33. 140
  34. 220
  35. 275
  36. 25
  37. 390
  38. 340
  39. 390
  40. 90

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