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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 554 · 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 ₹87, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  2. 2.Diya spent ₹27, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  3. 3.Riya spent ₹1, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.21 is 75% of ?
  5. 5.40% of a number is 6. What is the number?
  6. 6.60% of a number is 24. What is the number?
  7. 7.Riya spent ₹42, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  8. 8.75% of a number is 3. What is the number?
  9. 9.50% of a number is 20. What is the number?
  10. 10.Anaya spent ₹10, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.20% of a number is 52. What is the number?
  12. 12.180 is 80% of ?
  13. 13.Meera spent ₹47, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.3 is 25% of ?
  15. 15.60% of a number is 69. What is the number?
  16. 16.10% of a number is 10. What is the number?
  17. 17.110 is 40% of ?
  18. 18.4 is 40% of ?
  19. 19.123 is 75% of ?
  20. 20.Kabir spent ₹102, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.20% of a number is 78. What is the number?
  22. 22.Anaya spent ₹102, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  23. 23.40% of a number is 4. What is the number?
  24. 24.40% of a number is 24. What is the number?
  25. 25.24 is 30% of ?
  26. 26.8 is 10% of ?
  27. 27.Rohan spent ₹24, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  28. 28.40% of a number is 142. What is the number?
  29. 29.28 is 80% of ?
  30. 30.Kabir spent ₹15, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  31. 31.15% of a number is 36. What is the number?
  32. 32.30% of a number is 27. What is the number?
  33. 33.Kabir spent ₹51, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  34. 34.30 is 15% of ?
  35. 35.Diya spent ₹21, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  36. 36.Dev spent ₹57, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  37. 37.Meera spent ₹61, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  38. 38.30% of a number is 108. What is the number?
  39. 39.64 is 40% of ?
  40. 40.Meera spent ₹82, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?

Answer key

  1. 348
  2. 45
  3. 20
  4. 28
  5. 15
  6. 40
  7. 280
  8. 4
  9. 40
  10. 200
  11. 260
  12. 225
  13. 235
  14. 12
  15. 115
  16. 100
  17. 275
  18. 10
  19. 164
  20. 136
  21. 390
  22. 255
  23. 10
  24. 60
  25. 80
  26. 80
  27. 40
  28. 355
  29. 35
  30. 100
  31. 240
  32. 90
  33. 340
  34. 200
  35. 175
  36. 380
  37. 122
  38. 360
  39. 160
  40. 328

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