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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 851 · 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.Isha spent ₹142, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  2. 2.25% of a number is 13. What is the number?
  3. 3.12 is 15% of ?
  4. 4.40% of a number is 90. What is the number?
  5. 5.182 is 50% of ?
  6. 6.29 is 10% of ?
  7. 7.Arjun spent ₹69, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  8. 8.Riya spent ₹39, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  9. 9.25% of a number is 24. What is the number?
  10. 10.20% of a number is 75. What is the number?
  11. 11.Rohan spent ₹36, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  12. 12.Kabir spent ₹32, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  13. 13.5% of a number is 11. What is the number?
  14. 14.7 is 20% of ?
  15. 15.90 is 30% of ?
  16. 16.Isha spent ₹15, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  17. 17.10% of a number is 23. What is the number?
  18. 18.111 is 30% of ?
  19. 19.33 is 10% of ?
  20. 20.120 is 50% of ?
  21. 21.30% of a number is 84. What is the number?
  22. 22.75% of a number is 111. What is the number?
  23. 23.16 is 5% of ?
  24. 24.Riya spent ₹4, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.10% of a number is 7. What is the number?
  26. 26.Meera spent ₹312, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  27. 27.40% of a number is 66. What is the number?
  28. 28.75% of a number is 225. What is the number?
  29. 29.Ishaan spent ₹6, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  30. 30.Sara spent ₹53, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.4 is 5% of ?
  32. 32.Riya spent ₹12, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.Isha spent ₹7, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.12% of a number is 24. What is the number?
  35. 35.37 is 10% of ?
  36. 36.191 is 50% of ?
  37. 37.60% of a number is 6. What is the number?
  38. 38.150 is 50% of ?
  39. 39.5% of a number is 6. What is the number?
  40. 40.3 is 5% of ?

Answer key

  1. 284
  2. 52
  3. 80
  4. 225
  5. 364
  6. 290
  7. 92
  8. 260
  9. 96
  10. 375
  11. 240
  12. 80
  13. 220
  14. 35
  15. 300
  16. 25
  17. 230
  18. 370
  19. 330
  20. 240
  21. 280
  22. 148
  23. 320
  24. 40
  25. 70
  26. 390
  27. 165
  28. 300
  29. 24
  30. 106
  31. 80
  32. 15
  33. 140
  34. 200
  35. 370
  36. 382
  37. 10
  38. 300
  39. 120
  40. 60

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