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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 692 · 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. 1.75 is 30% of ?
  2. 2.Diya spent ₹3, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  3. 3.12% of a number is 21. What is the number?
  4. 4.Aarav spent ₹3, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  5. 5.10 is 5% of ?
  6. 6.Anaya spent ₹37, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  7. 7.Aarav spent ₹21, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  8. 8.Isha spent ₹25, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  9. 9.50% of a number is 66. What is the number?
  10. 10.80% of a number is 128. What is the number?
  11. 11.15% of a number is 57. What is the number?
  12. 12.45 is 30% of ?
  13. 13.Meera spent ₹11, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.14 is 5% of ?
  15. 15.63 is 75% of ?
  16. 16.10% of a number is 11. What is the number?
  17. 17.75% of a number is 96. What is the number?
  18. 18.Aarav spent ₹22, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.12 is 15% of ?
  20. 20.10% of a number is 7. What is the number?
  21. 21.5% of a number is 11. What is the number?
  22. 22.Ishaan spent ₹141, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.Anaya spent ₹137, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  24. 24.Sara spent ₹40, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  25. 25.Aarav spent ₹51, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  26. 26.15% of a number is 15. What is the number?
  27. 27.36 is 15% of ?
  28. 28.Aarav spent ₹138, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  29. 29.80% of a number is 28. What is the number?
  30. 30.50% of a number is 21. What is the number?
  31. 31.19 is 20% of ?
  32. 32.Riya spent ₹5, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  33. 33.Riya spent ₹72, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  34. 34.7 is 5% of ?
  35. 35.60% of a number is 27. What is the number?
  36. 36.18 is 40% of ?
  37. 37.Arjun spent ₹9, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  38. 38.Ishaan spent ₹20, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.Ishaan spent ₹21, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  40. 40.27 is 15% of ?

Answer key

  1. 250
  2. 60
  3. 175
  4. 20
  5. 200
  6. 185
  7. 210
  8. 100
  9. 132
  10. 160
  11. 380
  12. 150
  13. 110
  14. 280
  15. 84
  16. 110
  17. 128
  18. 110
  19. 80
  20. 70
  21. 220
  22. 188
  23. 274
  24. 100
  25. 340
  26. 100
  27. 240
  28. 345
  29. 35
  30. 42
  31. 95
  32. 50
  33. 240
  34. 140
  35. 45
  36. 45
  37. 180
  38. 40
  39. 70
  40. 180

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