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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 515 · 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. 1.25% of a number is 14. What is the number?
  2. 2.76 is 40% of ?
  3. 3.6 is 40% of ?
  4. 4.Anaya spent ₹28, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  5. 5.15% of a number is 18. What is the number?
  6. 6.Aarav spent ₹174, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.255 is 75% of ?
  8. 8.45 is 15% of ?
  9. 9.60% of a number is 30. What is the number?
  10. 10.Anaya spent ₹15, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.Ishaan spent ₹126, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  12. 12.40 is 10% of ?
  13. 13.3 is 30% of ?
  14. 14.Sara spent ₹73, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  15. 15.74 is 40% of ?
  16. 16.75% of a number is 117. What is the number?
  17. 17.12 is 75% of ?
  18. 18.Rohan spent ₹93, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.186 is 60% of ?
  20. 20.5% of a number is 14. What is the number?
  21. 21.Ishaan spent ₹52, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  22. 22.42 is 15% of ?
  23. 23.10% of a number is 24. What is the number?
  24. 24.Rohan spent ₹33, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  25. 25.12% of a number is 27. What is the number?
  26. 26.17 is 20% of ?
  27. 27.16 is 5% of ?
  28. 28.Dev spent ₹60, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  29. 29.51 is 30% of ?
  30. 30.40% of a number is 152. What is the number?
  31. 31.42 is 20% of ?
  32. 32.Arjun spent ₹27, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  33. 33.75% of a number is 24. What is the number?
  34. 34.50% of a number is 106. What is the number?
  35. 35.75% of a number is 162. What is the number?
  36. 36.22 is 50% of ?
  37. 37.10% of a number is 30. What is the number?
  38. 38.15% of a number is 51. What is the number?
  39. 39.72 is 60% of ?
  40. 40.231 is 75% of ?

Answer key

  1. 56
  2. 190
  3. 15
  4. 35
  5. 120
  6. 232
  7. 340
  8. 300
  9. 50
  10. 20
  11. 210
  12. 400
  13. 10
  14. 292
  15. 185
  16. 156
  17. 16
  18. 310
  19. 310
  20. 280
  21. 130
  22. 280
  23. 240
  24. 55
  25. 225
  26. 85
  27. 320
  28. 100
  29. 170
  30. 380
  31. 210
  32. 225
  33. 32
  34. 212
  35. 216
  36. 44
  37. 300
  38. 340
  39. 120
  40. 308

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