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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 437 · 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. 1.25% of a number is 28. What is the number?
  2. 2.29 is 10% of ?
  3. 3.261 is 75% of ?
  4. 4.136 is 80% of ?
  5. 5.67 is 25% of ?
  6. 6.Sara spent ₹244, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  7. 7.19 is 5% of ?
  8. 8.12 is 10% of ?
  9. 9.5% of a number is 8. What is the number?
  10. 10.30% of a number is 117. What is the number?
  11. 11.Arjun spent ₹15, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  12. 12.40% of a number is 118. What is the number?
  13. 13.Aarav spent ₹4, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.Anaya spent ₹39, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  15. 15.48 is 40% of ?
  16. 16.15% of a number is 30. What is the number?
  17. 17.3 is 5% of ?
  18. 18.17 is 20% of ?
  19. 19.9 is 12% of ?
  20. 20.Diya spent ₹276, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  21. 21.12% of a number is 27. What is the number?
  22. 22.Rohan spent ₹41, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  23. 23.19 is 10% of ?
  24. 24.Dev spent ₹3, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.Meera spent ₹38, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  26. 26.46 is 20% of ?
  27. 27.Riya spent ₹117, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  28. 28.5 is 5% of ?
  29. 29.Anaya spent ₹264, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  30. 30.50% of a number is 171. What is the number?
  31. 31.20% of a number is 78. What is the number?
  32. 32.30% of a number is 9. What is the number?
  33. 33.Arjun spent ₹49, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  34. 34.5% of a number is 18. What is the number?
  35. 35.Ishaan spent ₹145, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  36. 36.80% of a number is 112. What is the number?
  37. 37.39 is 15% of ?
  38. 38.219 is 60% of ?
  39. 39.94 is 25% of ?
  40. 40.Isha spent ₹27, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?

Answer key

  1. 112
  2. 290
  3. 348
  4. 170
  5. 268
  6. 305
  7. 380
  8. 120
  9. 160
  10. 390
  11. 125
  12. 295
  13. 20
  14. 65
  15. 120
  16. 200
  17. 60
  18. 85
  19. 75
  20. 368
  21. 225
  22. 205
  23. 190
  24. 30
  25. 76
  26. 230
  27. 234
  28. 100
  29. 330
  30. 342
  31. 390
  32. 30
  33. 98
  34. 360
  35. 290
  36. 140
  37. 260
  38. 365
  39. 376
  40. 108

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