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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 695 · 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. 1.10% of a number is 18. What is the number?
  2. 2.Rohan spent ₹20, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  3. 3.Rohan spent ₹21, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  4. 4.75% of a number is 159. What is the number?
  5. 5.17 is 5% of ?
  6. 6.51 is 60% of ?
  7. 7.50% of a number is 58. What is the number?
  8. 8.Anaya spent ₹58, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  9. 9.48 is 15% of ?
  10. 10.80% of a number is 60. What is the number?
  11. 11.Arjun spent ₹16, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  12. 12.10% of a number is 3. What is the number?
  13. 13.Kabir spent ₹39, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  14. 14.Kabir spent ₹20, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.50% of a number is 115. What is the number?
  16. 16.12 is 5% of ?
  17. 17.83 is 25% of ?
  18. 18.Kabir spent ₹17, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  19. 19.Arjun spent ₹42, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  20. 20.75% of a number is 72. What is the number?
  21. 21.Diya spent ₹48, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  22. 22.20% of a number is 77. What is the number?
  23. 23.50% of a number is 23. What is the number?
  24. 24.10% of a number is 23. What is the number?
  25. 25.6 is 5% of ?
  26. 26.Isha spent ₹15, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  27. 27.15% of a number is 12. What is the number?
  28. 28.30% of a number is 15. What is the number?
  29. 29.60 is 30% of ?
  30. 30.15 is 12% of ?
  31. 31.25% of a number is 52. What is the number?
  32. 32.Ishaan spent ₹1, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  33. 33.98 is 40% of ?
  34. 34.30% of a number is 48. What is the number?
  35. 35.120 is 75% of ?
  36. 36.10 is 20% of ?
  37. 37.Riya spent ₹183, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.51 is 30% of ?
  39. 39.40% of a number is 110. What is the number?
  40. 40.10 is 10% of ?

Answer key

  1. 180
  2. 200
  3. 210
  4. 212
  5. 340
  6. 85
  7. 116
  8. 232
  9. 320
  10. 75
  11. 320
  12. 30
  13. 156
  14. 25
  15. 230
  16. 240
  17. 332
  18. 340
  19. 105
  20. 96
  21. 192
  22. 385
  23. 46
  24. 230
  25. 120
  26. 60
  27. 80
  28. 50
  29. 200
  30. 125
  31. 208
  32. 5
  33. 245
  34. 160
  35. 160
  36. 50
  37. 366
  38. 170
  39. 275
  40. 100

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