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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 632 · 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.Riya spent ₹30, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.57 is 50% of ?
  3. 3.96 is 40% of ?
  4. 4.25% of a number is 20. What is the number?
  5. 5.Arjun spent ₹66, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.100 is 80% of ?
  7. 7.12% of a number is 27. What is the number?
  8. 8.3 is 15% of ?
  9. 9.Rohan spent ₹111, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  10. 10.35 is 10% of ?
  11. 11.31 is 25% of ?
  12. 12.40% of a number is 12. What is the number?
  13. 13.5% of a number is 10. What is the number?
  14. 14.80% of a number is 44. What is the number?
  15. 15.Aarav spent ₹42, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  16. 16.50% of a number is 197. What is the number?
  17. 17.Isha spent ₹48, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  18. 18.198 is 75% of ?
  19. 19.Meera spent ₹25, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  20. 20.Isha spent ₹54, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.50% of a number is 50. What is the number?
  22. 22.5% of a number is 14. What is the number?
  23. 23.40% of a number is 62. What is the number?
  24. 24.50% of a number is 22. What is the number?
  25. 25.Dev spent ₹246, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.78 is 60% of ?
  27. 27.80% of a number is 80. What is the number?
  28. 28.5% of a number is 1. What is the number?
  29. 29.12% of a number is 6. What is the number?
  30. 30.31 is 10% of ?
  31. 31.10% of a number is 22. What is the number?
  32. 32.80% of a number is 300. What is the number?
  33. 33.Kabir spent ₹57, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.18 is 12% of ?
  35. 35.27 is 15% of ?
  36. 36.38 is 10% of ?
  37. 37.135 is 50% of ?
  38. 38.86 is 50% of ?
  39. 39.60% of a number is 159. What is the number?
  40. 40.108 is 30% of ?

Answer key

  1. 40
  2. 114
  3. 240
  4. 80
  5. 110
  6. 125
  7. 225
  8. 20
  9. 148
  10. 350
  11. 124
  12. 30
  13. 200
  14. 55
  15. 280
  16. 394
  17. 160
  18. 264
  19. 50
  20. 360
  21. 100
  22. 280
  23. 155
  24. 44
  25. 328
  26. 130
  27. 100
  28. 20
  29. 50
  30. 310
  31. 220
  32. 375
  33. 380
  34. 150
  35. 180
  36. 380
  37. 270
  38. 172
  39. 265
  40. 360

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