← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 898 · 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. 1.144 is 75% of ?
  2. 2.Rohan spent ₹99, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  3. 3.75% of a number is 216. What is the number?
  4. 4.60% of a number is 42. What is the number?
  5. 5.Kabir spent ₹104, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  6. 6.Kabir spent ₹39, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  7. 7.45 is 15% of ?
  8. 8.57 is 25% of ?
  9. 9.Diya spent ₹42, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  10. 10.91 is 25% of ?
  11. 11.50% of a number is 53. What is the number?
  12. 12.80% of a number is 84. What is the number?
  13. 13.15% of a number is 6. What is the number?
  14. 14.Diya spent ₹135, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  15. 15.Sara spent ₹87, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  16. 16.6 is 15% of ?
  17. 17.12 is 20% of ?
  18. 18.60% of a number is 186. What is the number?
  19. 19.30% of a number is 45. What is the number?
  20. 20.Riya spent ₹136, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.12% of a number is 9. What is the number?
  22. 22.25% of a number is 14. What is the number?
  23. 23.Riya spent ₹38, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.60% of a number is 9. What is the number?
  25. 25.54 is 20% of ?
  26. 26.187 is 50% of ?
  27. 27.75% of a number is 84. What is the number?
  28. 28.18 is 25% of ?
  29. 29.Rohan spent ₹9, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  30. 30.Riya spent ₹36, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.9 is 12% of ?
  32. 32.40% of a number is 108. What is the number?
  33. 33.15% of a number is 30. What is the number?
  34. 34.136 is 80% of ?
  35. 35.40% of a number is 2. What is the number?
  36. 36.Meera spent ₹36, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  37. 37.50% of a number is 111. What is the number?
  38. 38.Arjun spent ₹10, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  39. 39.12% of a number is 3. What is the number?
  40. 40.15% of a number is 39. What is the number?

Answer key

  1. 192
  2. 330
  3. 288
  4. 70
  5. 130
  6. 325
  7. 300
  8. 228
  9. 350
  10. 364
  11. 106
  12. 105
  13. 40
  14. 180
  15. 348
  16. 40
  17. 60
  18. 310
  19. 150
  20. 170
  21. 75
  22. 56
  23. 95
  24. 15
  25. 270
  26. 374
  27. 112
  28. 72
  29. 60
  30. 300
  31. 75
  32. 270
  33. 200
  34. 170
  35. 5
  36. 48
  37. 222
  38. 20
  39. 25
  40. 260

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