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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 511 · 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. 1.5% of a number is 2. What is the number?
  2. 2.5% of a number is 18. What is the number?
  3. 3.25% of a number is 70. What is the number?
  4. 4.Anaya spent ₹187, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  5. 5.60% of a number is 198. What is the number?
  6. 6.50% of a number is 24. What is the number?
  7. 7.Ishaan spent ₹36, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.Dev spent ₹228, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  9. 9.40% of a number is 22. What is the number?
  10. 10.Diya spent ₹66, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  11. 11.Aarav spent ₹99, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  12. 12.Riya spent ₹9, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  13. 13.Dev spent ₹192, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.75% of a number is 30. What is the number?
  15. 15.Ishaan spent ₹16, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  16. 16.30% of a number is 78. What is the number?
  17. 17.75% of a number is 6. What is the number?
  18. 18.Ishaan spent ₹270, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  19. 19.44 is 40% of ?
  20. 20.10% of a number is 12. What is the number?
  21. 21.80% of a number is 200. What is the number?
  22. 22.12% of a number is 45. What is the number?
  23. 23.12% of a number is 9. What is the number?
  24. 24.177 is 60% of ?
  25. 25.Anaya spent ₹195, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  26. 26.Aarav spent ₹22, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  27. 27.50% of a number is 72. What is the number?
  28. 28.8 is 20% of ?
  29. 29.200 is 80% of ?
  30. 30.12 is 5% of ?
  31. 31.Isha spent ₹28, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  32. 32.60% of a number is 33. What is the number?
  33. 33.60% of a number is 114. What is the number?
  34. 34.Sara spent ₹45, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  35. 35.Ishaan spent ₹36, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  36. 36.6 is 30% of ?
  37. 37.75% of a number is 96. What is the number?
  38. 38.Isha spent ₹28, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  39. 39.15% of a number is 6. What is the number?
  40. 40.184 is 80% of ?

Answer key

  1. 40
  2. 360
  3. 280
  4. 374
  5. 330
  6. 48
  7. 60
  8. 380
  9. 55
  10. 110
  11. 330
  12. 75
  13. 256
  14. 40
  15. 320
  16. 260
  17. 8
  18. 360
  19. 110
  20. 120
  21. 250
  22. 375
  23. 75
  24. 295
  25. 325
  26. 110
  27. 144
  28. 40
  29. 250
  30. 240
  31. 70
  32. 55
  33. 190
  34. 150
  35. 240
  36. 20
  37. 128
  38. 280
  39. 40
  40. 230

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