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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 234 · 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. 1.38 is 10% of ?
  2. 2.25% of a number is 32. What is the number?
  3. 3.81 is 75% of ?
  4. 4.40% of a number is 140. What is the number?
  5. 5.Sara spent ₹67, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.25% of a number is 67. What is the number?
  7. 7.Ishaan spent ₹33, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.10% of a number is 30. What is the number?
  9. 9.Ishaan spent ₹12, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  10. 10.5% of a number is 9. What is the number?
  11. 11.75% of a number is 147. What is the number?
  12. 12.60% of a number is 105. What is the number?
  13. 13.60% of a number is 75. What is the number?
  14. 14.30 is 12% of ?
  15. 15.Anaya spent ₹23, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  16. 16.Diya spent ₹81, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  17. 17.75% of a number is 270. What is the number?
  18. 18.80% of a number is 176. What is the number?
  19. 19.12% of a number is 36. What is the number?
  20. 20.80% of a number is 212. What is the number?
  21. 21.39 is 15% of ?
  22. 22.Diya spent ₹40, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  23. 23.50% of a number is 155. What is the number?
  24. 24.Riya spent ₹19, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.Diya spent ₹45, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  26. 26.Ishaan spent ₹9, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  27. 27.Meera spent ₹4, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.20% of a number is 1. What is the number?
  29. 29.25% of a number is 38. What is the number?
  30. 30.48 is 15% of ?
  31. 31.5 is 5% of ?
  32. 32.Ishaan spent ₹22, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.124 is 40% of ?
  34. 34.Arjun spent ₹21, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  35. 35.30% of a number is 6. What is the number?
  36. 36.288 is 80% of ?
  37. 37.10% of a number is 6. What is the number?
  38. 38.9 is 15% of ?
  39. 39.Riya spent ₹126, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.184 is 80% of ?

Answer key

  1. 380
  2. 128
  3. 108
  4. 350
  5. 268
  6. 268
  7. 275
  8. 300
  9. 48
  10. 180
  11. 196
  12. 175
  13. 125
  14. 250
  15. 92
  16. 270
  17. 360
  18. 220
  19. 300
  20. 265
  21. 260
  22. 200
  23. 310
  24. 380
  25. 300
  26. 90
  27. 40
  28. 5
  29. 152
  30. 320
  31. 100
  32. 55
  33. 310
  34. 175
  35. 20
  36. 360
  37. 60
  38. 60
  39. 252
  40. 230

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