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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 136 · 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. 1.12% of a number is 12. What is the number?
  2. 2.15% of a number is 9. What is the number?
  3. 3.75% of a number is 129. What is the number?
  4. 4.80% of a number is 176. What is the number?
  5. 5.12% of a number is 18. What is the number?
  6. 6.98 is 40% of ?
  7. 7.12% of a number is 6. What is the number?
  8. 8.10% of a number is 26. What is the number?
  9. 9.168 is 50% of ?
  10. 10.Meera spent ₹164, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  11. 11.Ishaan spent ₹12, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  12. 12.50% of a number is 14. What is the number?
  13. 13.10 is 50% of ?
  14. 14.19 is 20% of ?
  15. 15.40% of a number is 16. What is the number?
  16. 16.75% of a number is 117. What is the number?
  17. 17.Kabir spent ₹89, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  18. 18.Diya spent ₹25, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  19. 19.10% of a number is 11. What is the number?
  20. 20.92 is 80% of ?
  21. 21.25% of a number is 2. What is the number?
  22. 22.Sara spent ₹56, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  23. 23.20% of a number is 77. What is the number?
  24. 24.40% of a number is 138. What is the number?
  25. 25.127 is 50% of ?
  26. 26.110 is 40% of ?
  27. 27.40% of a number is 114. What is the number?
  28. 28.Aarav spent ₹54, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  29. 29.50% of a number is 124. What is the number?
  30. 30.Ishaan spent ₹204, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  31. 31.54 is 25% of ?
  32. 32.17 is 5% of ?
  33. 33.Isha spent ₹48, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.50% of a number is 3. What is the number?
  35. 35.Sara spent ₹41, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  36. 36.Riya spent ₹12, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  37. 37.7 is 5% of ?
  38. 38.Diya spent ₹116, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  39. 39.91 is 25% of ?
  40. 40.50% of a number is 11. What is the number?

Answer key

  1. 100
  2. 60
  3. 172
  4. 220
  5. 150
  6. 245
  7. 50
  8. 260
  9. 336
  10. 328
  11. 120
  12. 28
  13. 20
  14. 95
  15. 40
  16. 156
  17. 356
  18. 250
  19. 110
  20. 115
  21. 8
  22. 280
  23. 385
  24. 345
  25. 254
  26. 275
  27. 285
  28. 135
  29. 248
  30. 255
  31. 216
  32. 340
  33. 120
  34. 6
  35. 205
  36. 40
  37. 140
  38. 290
  39. 364
  40. 22

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage