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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 965 · 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 ₹35, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  2. 2.78 is 30% of ?
  3. 3.75% of a number is 225. What is the number?
  4. 4.6 is 15% of ?
  5. 5.42 is 15% of ?
  6. 6.Dev spent ₹222, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.25% of a number is 95. What is the number?
  8. 8.15% of a number is 42. What is the number?
  9. 9.Dev spent ₹78, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  10. 10.Sara spent ₹86, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  11. 11.12% of a number is 3. What is the number?
  12. 12.25% of a number is 4. What is the number?
  13. 13.28 is 80% of ?
  14. 14.Isha spent ₹2, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  15. 15.20% of a number is 10. What is the number?
  16. 16.5% of a number is 8. What is the number?
  17. 17.50% of a number is 196. What is the number?
  18. 18.21 is 75% of ?
  19. 19.176 is 80% of ?
  20. 20.Anaya spent ₹15, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  21. 21.25% of a number is 64. What is the number?
  22. 22.79 is 50% of ?
  23. 23.Rohan spent ₹111, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  24. 24.9 is 5% of ?
  25. 25.42 is 25% of ?
  26. 26.18 is 10% of ?
  27. 27.87 is 60% of ?
  28. 28.33 is 50% of ?
  29. 29.Ishaan spent ₹18, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  30. 30.25% of a number is 40. What is the number?
  31. 31.19 is 5% of ?
  32. 32.10% of a number is 1. What is the number?
  33. 33.50% of a number is 173. What is the number?
  34. 34.Rohan spent ₹33, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.Rohan spent ₹6, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  36. 36.185 is 50% of ?
  37. 37.50% of a number is 94. What is the number?
  38. 38.21 is 10% of ?
  39. 39.5% of a number is 10. What is the number?
  40. 40.59 is 20% of ?

Answer key

  1. 140
  2. 260
  3. 300
  4. 40
  5. 280
  6. 296
  7. 380
  8. 280
  9. 130
  10. 344
  11. 25
  12. 16
  13. 35
  14. 4
  15. 50
  16. 160
  17. 392
  18. 28
  19. 220
  20. 100
  21. 256
  22. 158
  23. 370
  24. 180
  25. 168
  26. 180
  27. 145
  28. 66
  29. 180
  30. 160
  31. 380
  32. 10
  33. 346
  34. 220
  35. 30
  36. 370
  37. 188
  38. 210
  39. 200
  40. 295

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