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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 797 · 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. 1.40% of a number is 58. What is the number?
  2. 2.50% of a number is 65. What is the number?
  3. 3.51 is 20% of ?
  4. 4.Sara spent ₹19, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  5. 5.20% of a number is 26. What is the number?
  6. 6.Rohan spent ₹17, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  7. 7.18 is 30% of ?
  8. 8.50% of a number is 134. What is the number?
  9. 9.60% of a number is 39. What is the number?
  10. 10.15% of a number is 48. What is the number?
  11. 11.60% of a number is 237. What is the number?
  12. 12.60% of a number is 204. What is the number?
  13. 13.Rohan spent ₹4, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  14. 14.21 is 50% of ?
  15. 15.Dev spent ₹152, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  16. 16.108 is 30% of ?
  17. 17.12% of a number is 6. What is the number?
  18. 18.10% of a number is 12. What is the number?
  19. 19.Riya spent ₹102, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.Riya spent ₹111, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  21. 21.60% of a number is 120. What is the number?
  22. 22.Rohan spent ₹57, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  23. 23.Arjun spent ₹231, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  24. 24.Ishaan spent ₹65, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  25. 25.14 is 40% of ?
  26. 26.12% of a number is 12. What is the number?
  27. 27.20% of a number is 56. What is the number?
  28. 28.144 is 40% of ?
  29. 29.Anaya spent ₹38, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  30. 30.Diya spent ₹77, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  31. 31.Rohan spent ₹21, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  32. 32.25% of a number is 54. What is the number?
  33. 33.5% of a number is 1. What is the number?
  34. 34.24 is 12% of ?
  35. 35.Aarav spent ₹23, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  36. 36.Kabir spent ₹46, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  37. 37.60% of a number is 231. What is the number?
  38. 38.236 is 80% of ?
  39. 39.60% of a number is 24. What is the number?
  40. 40.12% of a number is 48. What is the number?

Answer key

  1. 145
  2. 130
  3. 255
  4. 95
  5. 130
  6. 85
  7. 60
  8. 268
  9. 65
  10. 320
  11. 395
  12. 340
  13. 80
  14. 42
  15. 190
  16. 360
  17. 50
  18. 120
  19. 255
  20. 370
  21. 200
  22. 380
  23. 308
  24. 260
  25. 35
  26. 100
  27. 280
  28. 360
  29. 380
  30. 308
  31. 140
  32. 216
  33. 20
  34. 200
  35. 92
  36. 230
  37. 385
  38. 295
  39. 40
  40. 400

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