← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 91 · 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. 1.38 is 40% of ?
  2. 2.75% of a number is 90. What is the number?
  3. 3.60% of a number is 45. What is the number?
  4. 4.174 is 60% of ?
  5. 5.75% of a number is 294. What is the number?
  6. 6.30% of a number is 120. What is the number?
  7. 7.Aarav spent ₹180, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.50% of a number is 75. What is the number?
  9. 9.Diya spent ₹183, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  10. 10.Aarav spent ₹57, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  11. 11.20% of a number is 50. What is the number?
  12. 12.92 is 80% of ?
  13. 13.38 is 10% of ?
  14. 14.75% of a number is 9. What is the number?
  15. 15.36 is 15% of ?
  16. 16.92 is 50% of ?
  17. 17.Arjun spent ₹38, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.12% of a number is 21. What is the number?
  19. 19.Riya spent ₹5, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.80% of a number is 64. What is the number?
  21. 21.75% of a number is 66. What is the number?
  22. 22.15% of a number is 3. What is the number?
  23. 23.57 is 15% of ?
  24. 24.30% of a number is 117. What is the number?
  25. 25.20 is 20% of ?
  26. 26.15% of a number is 9. What is the number?
  27. 27.Dev spent ₹52, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  28. 28.77 is 50% of ?
  29. 29.34 is 20% of ?
  30. 30.Isha spent ₹19, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  31. 31.54 is 60% of ?
  32. 32.20% of a number is 30. What is the number?
  33. 33.Arjun spent ₹140, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  34. 34.Riya spent ₹48, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.5 is 5% of ?
  36. 36.20% of a number is 10. What is the number?
  37. 37.Diya spent ₹51, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.Riya spent ₹147, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  39. 39.Sara spent ₹33, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  40. 40.5% of a number is 12. What is the number?

Answer key

  1. 95
  2. 120
  3. 75
  4. 290
  5. 392
  6. 400
  7. 300
  8. 150
  9. 305
  10. 228
  11. 250
  12. 115
  13. 380
  14. 12
  15. 240
  16. 184
  17. 380
  18. 175
  19. 50
  20. 80
  21. 88
  22. 20
  23. 380
  24. 390
  25. 100
  26. 60
  27. 65
  28. 154
  29. 170
  30. 380
  31. 90
  32. 150
  33. 350
  34. 400
  35. 100
  36. 50
  37. 340
  38. 245
  39. 275
  40. 240

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