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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 933 · 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. 1.10% of a number is 40. What is the number?
  2. 2.178 is 50% of ?
  3. 3.10% of a number is 39. What is the number?
  4. 4.25% of a number is 8. What is the number?
  5. 5.20% of a number is 59. What is the number?
  6. 6.5% of a number is 16. What is the number?
  7. 7.Rohan spent ₹16, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  8. 8.30% of a number is 48. What is the number?
  9. 9.25% of a number is 59. What is the number?
  10. 10.57 is 20% of ?
  11. 11.Rohan spent ₹14, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  12. 12.15% of a number is 48. What is the number?
  13. 13.80% of a number is 56. What is the number?
  14. 14.80% of a number is 64. What is the number?
  15. 15.40% of a number is 14. What is the number?
  16. 16.10% of a number is 11. What is the number?
  17. 17.5% of a number is 5. What is the number?
  18. 18.40% of a number is 104. What is the number?
  19. 19.25% of a number is 33. What is the number?
  20. 20.15% of a number is 30. What is the number?
  21. 21.50% of a number is 16. What is the number?
  22. 22.Kabir spent ₹118, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  23. 23.Sara spent ₹96, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.Ishaan spent ₹5, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  25. 25.Anaya spent ₹134, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  26. 26.41 is 50% of ?
  27. 27.39 is 20% of ?
  28. 28.3 is 12% of ?
  29. 29.Kabir spent ₹54, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  30. 30.108 is 30% of ?
  31. 31.Dev spent ₹3, which is 5% of the pocket money. How much pocket money did Dev have, in rupees?
  32. 32.Diya spent ₹24, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  33. 33.Sara spent ₹11, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  34. 34.60 is 15% of ?
  35. 35.60% of a number is 228. What is the number?
  36. 36.237 is 60% of ?
  37. 37.Diya spent ₹17, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.15% of a number is 45. What is the number?
  39. 39.Rohan spent ₹48, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  40. 40.20% of a number is 42. What is the number?

Answer key

  1. 400
  2. 356
  3. 390
  4. 32
  5. 295
  6. 320
  7. 320
  8. 160
  9. 236
  10. 285
  11. 56
  12. 320
  13. 70
  14. 80
  15. 35
  16. 110
  17. 100
  18. 260
  19. 132
  20. 200
  21. 32
  22. 236
  23. 160
  24. 25
  25. 335
  26. 82
  27. 195
  28. 25
  29. 72
  30. 360
  31. 60
  32. 200
  33. 220
  34. 400
  35. 380
  36. 395
  37. 340
  38. 300
  39. 320
  40. 210

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