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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 171 · 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. 1.5% of a number is 19. What is the number?
  2. 2.80% of a number is 108. What is the number?
  3. 3.5% of a number is 10. What is the number?
  4. 4.40% of a number is 120. What is the number?
  5. 5.Diya spent ₹31, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  6. 6.Meera spent ₹15, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.20% of a number is 21. What is the number?
  8. 8.10% of a number is 40. What is the number?
  9. 9.Kabir spent ₹255, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  10. 10.Meera spent ₹17, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  11. 11.88 is 25% of ?
  12. 12.50% of a number is 48. What is the number?
  13. 13.Arjun spent ₹13, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  14. 14.80% of a number is 236. What is the number?
  15. 15.66 is 25% of ?
  16. 16.Diya spent ₹11, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  17. 17.5% of a number is 20. What is the number?
  18. 18.240 is 75% of ?
  19. 19.15 is 10% of ?
  20. 20.12 is 60% of ?
  21. 21.63 is 25% of ?
  22. 22.Isha spent ₹3, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  23. 23.15% of a number is 27. What is the number?
  24. 24.75% of a number is 24. What is the number?
  25. 25.184 is 80% of ?
  26. 26.2 is 40% of ?
  27. 27.20% of a number is 67. What is the number?
  28. 28.30% of a number is 42. What is the number?
  29. 29.Meera spent ₹188, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  30. 30.60% of a number is 12. What is the number?
  31. 31.Ishaan spent ₹18, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  32. 32.Ishaan spent ₹6, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.76 is 80% of ?
  34. 34.20 is 10% of ?
  35. 35.60% of a number is 90. What is the number?
  36. 36.84 is 30% of ?
  37. 37.44 is 40% of ?
  38. 38.7 is 5% of ?
  39. 39.50% of a number is 60. What is the number?
  40. 40.5 is 5% of ?

Answer key

  1. 380
  2. 135
  3. 200
  4. 300
  5. 310
  6. 50
  7. 105
  8. 400
  9. 340
  10. 170
  11. 352
  12. 96
  13. 260
  14. 295
  15. 264
  16. 44
  17. 400
  18. 320
  19. 150
  20. 20
  21. 252
  22. 30
  23. 180
  24. 32
  25. 230
  26. 5
  27. 335
  28. 140
  29. 235
  30. 20
  31. 360
  32. 50
  33. 95
  34. 200
  35. 150
  36. 280
  37. 110
  38. 140
  39. 120
  40. 100

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