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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 79 · 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. 1.45 is 20% of ?
  2. 2.Kabir spent ₹3, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  3. 3.26 is 40% of ?
  4. 4.12% of a number is 42. What is the number?
  5. 5.25% of a number is 99. What is the number?
  6. 6.20 is 25% of ?
  7. 7.30% of a number is 105. What is the number?
  8. 8.Diya spent ₹72, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  9. 9.40% of a number is 122. What is the number?
  10. 10.Riya spent ₹25, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  11. 11.15 is 15% of ?
  12. 12.12% of a number is 9. What is the number?
  13. 13.15% of a number is 33. What is the number?
  14. 14.18 is 5% of ?
  15. 15.40% of a number is 98. What is the number?
  16. 16.12% of a number is 27. What is the number?
  17. 17.Diya spent ₹68, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  18. 18.40% of a number is 100. What is the number?
  19. 19.60% of a number is 3. What is the number?
  20. 20.20% of a number is 24. What is the number?
  21. 21.Arjun spent ₹35, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  22. 22.Ishaan spent ₹21, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.Dev spent ₹171, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  24. 24.27 is 15% of ?
  25. 25.10% of a number is 32. What is the number?
  26. 26.159 is 75% of ?
  27. 27.80% of a number is 148. What is the number?
  28. 28.Kabir spent ₹231, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  29. 29.Kabir spent ₹80, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  30. 30.280 is 80% of ?
  31. 31.18 is 12% of ?
  32. 32.80% of a number is 232. What is the number?
  33. 33.24 is 10% of ?
  34. 34.Meera spent ₹19, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  35. 35.6 is 5% of ?
  36. 36.80% of a number is 60. What is the number?
  37. 37.270 is 75% of ?
  38. 38.185 is 50% of ?
  39. 39.30% of a number is 60. What is the number?
  40. 40.75% of a number is 69. What is the number?

Answer key

  1. 225
  2. 12
  3. 65
  4. 350
  5. 396
  6. 80
  7. 350
  8. 360
  9. 305
  10. 250
  11. 100
  12. 75
  13. 220
  14. 360
  15. 245
  16. 225
  17. 85
  18. 250
  19. 5
  20. 120
  21. 70
  22. 35
  23. 285
  24. 180
  25. 320
  26. 212
  27. 185
  28. 308
  29. 400
  30. 350
  31. 150
  32. 290
  33. 240
  34. 95
  35. 120
  36. 75
  37. 360
  38. 370
  39. 200
  40. 92

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