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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 584 · 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. 1.162 is 75% of ?
  2. 2.Diya spent ₹2, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  3. 3.28 is 20% of ?
  4. 4.11 is 5% of ?
  5. 5.Anaya spent ₹21, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  6. 6.20% of a number is 74. What is the number?
  7. 7.15% of a number is 39. What is the number?
  8. 8.20% of a number is 58. What is the number?
  9. 9.Ishaan spent ₹7, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  10. 10.16 is 5% of ?
  11. 11.21 is 20% of ?
  12. 12.Kabir spent ₹33, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  13. 13.55 is 20% of ?
  14. 14.Dev spent ₹30, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  15. 15.20% of a number is 64. What is the number?
  16. 16.40% of a number is 10. What is the number?
  17. 17.20% of a number is 18. What is the number?
  18. 18.Sara spent ₹72, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  19. 19.57 is 25% of ?
  20. 20.Kabir spent ₹138, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.243 is 75% of ?
  22. 22.Sara spent ₹27, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  23. 23.Anaya spent ₹6, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  24. 24.42 is 30% of ?
  25. 25.Sara spent ₹37, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  26. 26.200 is 80% of ?
  27. 27.40% of a number is 68. What is the number?
  28. 28.15% of a number is 27. What is the number?
  29. 29.80% of a number is 84. What is the number?
  30. 30.Isha spent ₹73, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  31. 31.Riya spent ₹58, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.50% of a number is 146. What is the number?
  33. 33.5% of a number is 3. What is the number?
  34. 34.30% of a number is 84. What is the number?
  35. 35.60% of a number is 15. What is the number?
  36. 36.Ishaan spent ₹70, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  37. 37.30% of a number is 81. What is the number?
  38. 38.Rohan spent ₹77, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  39. 39.80% of a number is 4. What is the number?
  40. 40.12% of a number is 36. What is the number?

Answer key

  1. 216
  2. 5
  3. 140
  4. 220
  5. 70
  6. 370
  7. 260
  8. 290
  9. 140
  10. 320
  11. 105
  12. 132
  13. 275
  14. 40
  15. 320
  16. 25
  17. 90
  18. 144
  19. 228
  20. 230
  21. 324
  22. 180
  23. 60
  24. 140
  25. 370
  26. 250
  27. 170
  28. 180
  29. 105
  30. 365
  31. 145
  32. 292
  33. 60
  34. 280
  35. 25
  36. 350
  37. 270
  38. 154
  39. 5
  40. 300

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