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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 906 · 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. 1.45 is 25% of ?
  2. 2.Arjun spent ₹120, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  3. 3.16 is 10% of ?
  4. 4.Sara spent ₹12, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  5. 5.Ishaan spent ₹8, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  6. 6.80% of a number is 140. What is the number?
  7. 7.Aarav spent ₹192, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.80% of a number is 280. What is the number?
  9. 9.20% of a number is 67. What is the number?
  10. 10.6 is 60% of ?
  11. 11.92 is 25% of ?
  12. 12.40 is 10% of ?
  13. 13.6 is 5% of ?
  14. 14.Aarav spent ₹80, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.Arjun spent ₹8, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  16. 16.Dev spent ₹49, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  17. 17.10% of a number is 15. What is the number?
  18. 18.Sara spent ₹18, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  19. 19.20% of a number is 18. What is the number?
  20. 20.10% of a number is 14. What is the number?
  21. 21.40% of a number is 20. What is the number?
  22. 22.80% of a number is 308. What is the number?
  23. 23.Isha spent ₹57, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  24. 24.60% of a number is 138. What is the number?
  25. 25.10% of a number is 34. What is the number?
  26. 26.Diya spent ₹19, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  27. 27.20% of a number is 19. What is the number?
  28. 28.Aarav spent ₹103, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  29. 29.5 is 10% of ?
  30. 30.64 is 40% of ?
  31. 31.12% of a number is 12. What is the number?
  32. 32.44 is 25% of ?
  33. 33.204 is 60% of ?
  34. 34.21 is 30% of ?
  35. 35.50% of a number is 23. What is the number?
  36. 36.Kabir spent ₹87, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.26 is 10% of ?
  38. 38.88 is 40% of ?
  39. 39.40% of a number is 60. What is the number?
  40. 40.Arjun spent ₹156, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?

Answer key

  1. 180
  2. 400
  3. 160
  4. 40
  5. 80
  6. 175
  7. 240
  8. 350
  9. 335
  10. 10
  11. 368
  12. 400
  13. 120
  14. 200
  15. 80
  16. 245
  17. 150
  18. 45
  19. 90
  20. 140
  21. 50
  22. 385
  23. 380
  24. 230
  25. 340
  26. 95
  27. 95
  28. 206
  29. 50
  30. 160
  31. 100
  32. 176
  33. 340
  34. 70
  35. 46
  36. 116
  37. 260
  38. 220
  39. 150
  40. 390

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