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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 583 · 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.Arjun spent ₹2, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  2. 2.231 is 75% of ?
  3. 3.25% of a number is 86. What is the number?
  4. 4.Arjun spent ₹56, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  5. 5.15% of a number is 33. What is the number?
  6. 6.7 is 25% of ?
  7. 7.30% of a number is 51. What is the number?
  8. 8.40% of a number is 96. What is the number?
  9. 9.20 is 5% of ?
  10. 10.12% of a number is 12. What is the number?
  11. 11.Diya spent ₹3, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  12. 12.Riya spent ₹92, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  13. 13.Arjun spent ₹19, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  14. 14.Rohan spent ₹108, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.62 is 20% of ?
  16. 16.39 is 15% of ?
  17. 17.36 is 10% of ?
  18. 18.80% of a number is 108. What is the number?
  19. 19.20% of a number is 40. What is the number?
  20. 20.Diya spent ₹112, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  21. 21.40% of a number is 80. What is the number?
  22. 22.60% of a number is 48. What is the number?
  23. 23.Ishaan spent ₹47, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  24. 24.9 is 15% of ?
  25. 25.60 is 15% of ?
  26. 26.Kabir spent ₹70, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  27. 27.Sara spent ₹33, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  28. 28.Kabir spent ₹54, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  29. 29.80% of a number is 228. What is the number?
  30. 30.80% of a number is 312. What is the number?
  31. 31.5% of a number is 7. What is the number?
  32. 32.10% of a number is 35. What is the number?
  33. 33.182 is 50% of ?
  34. 34.Diya spent ₹1, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  35. 35.10% of a number is 14. What is the number?
  36. 36.60% of a number is 15. What is the number?
  37. 37.14 is 25% of ?
  38. 38.Diya spent ₹9, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  39. 39.10 is 10% of ?
  40. 40.20% of a number is 62. What is the number?

Answer key

  1. 5
  2. 308
  3. 344
  4. 70
  5. 220
  6. 28
  7. 170
  8. 240
  9. 400
  10. 100
  11. 60
  12. 115
  13. 380
  14. 270
  15. 310
  16. 260
  17. 360
  18. 135
  19. 200
  20. 280
  21. 200
  22. 80
  23. 188
  24. 60
  25. 400
  26. 140
  27. 275
  28. 90
  29. 285
  30. 390
  31. 140
  32. 350
  33. 364
  34. 10
  35. 140
  36. 25
  37. 56
  38. 15
  39. 100
  40. 310

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