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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 922 · 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. 1.111 is 75% of ?
  2. 2.69 is 20% of ?
  3. 3.25% of a number is 91. What is the number?
  4. 4.128 is 40% of ?
  5. 5.Meera spent ₹34, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  6. 6.Riya spent ₹38, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  7. 7.40% of a number is 28. What is the number?
  8. 8.12 is 10% of ?
  9. 9.225 is 60% of ?
  10. 10.30% of a number is 51. What is the number?
  11. 11.134 is 40% of ?
  12. 12.20% of a number is 65. What is the number?
  13. 13.12 is 20% of ?
  14. 14.51 is 15% of ?
  15. 15.60% of a number is 180. What is the number?
  16. 16.Riya spent ₹5, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  17. 17.Arjun spent ₹320, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.80% of a number is 44. What is the number?
  19. 19.40% of a number is 56. What is the number?
  20. 20.22 is 20% of ?
  21. 21.30% of a number is 57. What is the number?
  22. 22.25% of a number is 17. What is the number?
  23. 23.Riya spent ₹18, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.25% of a number is 22. What is the number?
  25. 25.15% of a number is 33. What is the number?
  26. 26.Isha spent ₹208, which is 80% of the pocket money. How much pocket money did Isha have, in rupees?
  27. 27.34 is 10% of ?
  28. 28.21 is 12% of ?
  29. 29.164 is 80% of ?
  30. 30.40% of a number is 54. What is the number?
  31. 31.Kabir spent ₹85, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  32. 32.Riya spent ₹17, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.43 is 25% of ?
  34. 34.75% of a number is 210. What is the number?
  35. 35.Riya spent ₹240, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  36. 36.45 is 12% of ?
  37. 37.80% of a number is 196. What is the number?
  38. 38.Diya spent ₹33, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  39. 39.90 is 60% of ?
  40. 40.8 is 25% of ?

Answer key

  1. 148
  2. 345
  3. 364
  4. 320
  5. 340
  6. 380
  7. 70
  8. 120
  9. 375
  10. 170
  11. 335
  12. 325
  13. 60
  14. 340
  15. 300
  16. 100
  17. 400
  18. 55
  19. 140
  20. 110
  21. 190
  22. 68
  23. 60
  24. 88
  25. 220
  26. 260
  27. 340
  28. 175
  29. 205
  30. 135
  31. 170
  32. 170
  33. 172
  34. 280
  35. 300
  36. 375
  37. 245
  38. 44
  39. 150
  40. 32

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