← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 172 · 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. 1.80% of a number is 224. What is the number?
  2. 2.20% of a number is 1. What is the number?
  3. 3.4 is 10% of ?
  4. 4.Isha spent ₹54, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  5. 5.60% of a number is 75. What is the number?
  6. 6.1 is 10% of ?
  7. 7.10% of a number is 12. What is the number?
  8. 8.93 is 75% of ?
  9. 9.252 is 75% of ?
  10. 10.3 is 10% of ?
  11. 11.5 is 20% of ?
  12. 12.Riya spent ₹14, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  13. 13.110 is 50% of ?
  14. 14.Meera spent ₹22, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.28 is 80% of ?
  16. 16.70 is 20% of ?
  17. 17.3 is 12% of ?
  18. 18.Rohan spent ₹45, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.20% of a number is 16. What is the number?
  20. 20.60% of a number is 216. What is the number?
  21. 21.5% of a number is 18. What is the number?
  22. 22.60% of a number is 63. What is the number?
  23. 23.Dev spent ₹199, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  24. 24.Arjun spent ₹37, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.Rohan spent ₹39, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  26. 26.40% of a number is 88. What is the number?
  27. 27.Riya spent ₹174, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  28. 28.117 is 30% of ?
  29. 29.20% of a number is 36. What is the number?
  30. 30.Rohan spent ₹57, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  31. 31.75% of a number is 48. What is the number?
  32. 32.143 is 50% of ?
  33. 33.80% of a number is 228. What is the number?
  34. 34.Isha spent ₹52, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  35. 35.14 is 25% of ?
  36. 36.39 is 12% of ?
  37. 37.50% of a number is 6. What is the number?
  38. 38.96 is 30% of ?
  39. 39.Aarav spent ₹52, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.32 is 40% of ?

Answer key

  1. 280
  2. 5
  3. 40
  4. 270
  5. 125
  6. 10
  7. 120
  8. 124
  9. 336
  10. 30
  11. 25
  12. 280
  13. 220
  14. 110
  15. 35
  16. 350
  17. 25
  18. 180
  19. 80
  20. 360
  21. 360
  22. 105
  23. 398
  24. 74
  25. 260
  26. 220
  27. 232
  28. 390
  29. 180
  30. 228
  31. 64
  32. 286
  33. 285
  34. 208
  35. 56
  36. 325
  37. 12
  38. 320
  39. 260
  40. 80

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