← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 382 · 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 47. What is the number?
  2. 2.Dev spent ₹186, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  3. 3.30% of a number is 111. What is the number?
  4. 4.Anaya spent ₹8, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  5. 5.Sara spent ₹19, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.Riya spent ₹196, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  7. 7.15% of a number is 12. What is the number?
  8. 8.80% of a number is 8. What is the number?
  9. 9.33 is 60% of ?
  10. 10.30% of a number is 63. What is the number?
  11. 11.30% of a number is 54. What is the number?
  12. 12.Ishaan spent ₹96, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  13. 13.12% of a number is 15. What is the number?
  14. 14.89 is 25% of ?
  15. 15.Rohan spent ₹29, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  16. 16.75% of a number is 300. What is the number?
  17. 17.Sara spent ₹114, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  18. 18.Riya spent ₹36, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.60% of a number is 42. What is the number?
  20. 20.Riya spent ₹45, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.15% of a number is 42. What is the number?
  22. 22.113 is 50% of ?
  23. 23.96 is 60% of ?
  24. 24.60% of a number is 54. What is the number?
  25. 25.30% of a number is 114. What is the number?
  26. 26.192 is 60% of ?
  27. 27.258 is 75% of ?
  28. 28.Aarav spent ₹123, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  29. 29.157 is 50% of ?
  30. 30.30% of a number is 72. What is the number?
  31. 31.Rohan spent ₹27, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  32. 32.Arjun spent ₹84, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  33. 33.60% of a number is 171. What is the number?
  34. 34.40% of a number is 6. What is the number?
  35. 35.80% of a number is 116. What is the number?
  36. 36.Isha spent ₹4, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  37. 37.3 is 30% of ?
  38. 38.12% of a number is 48. What is the number?
  39. 39.Aarav spent ₹18, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.Sara spent ₹3, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 188
  2. 310
  3. 370
  4. 20
  5. 190
  6. 245
  7. 80
  8. 10
  9. 55
  10. 210
  11. 180
  12. 384
  13. 125
  14. 356
  15. 290
  16. 400
  17. 285
  18. 90
  19. 70
  20. 150
  21. 280
  22. 226
  23. 160
  24. 90
  25. 380
  26. 320
  27. 344
  28. 205
  29. 314
  30. 240
  31. 135
  32. 105
  33. 285
  34. 15
  35. 145
  36. 80
  37. 10
  38. 400
  39. 150
  40. 10

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