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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 983 · 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. 1.15% of a number is 42. What is the number?
  2. 2.Dev spent ₹30, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  3. 3.96 is 40% of ?
  4. 4.15% of a number is 54. What is the number?
  5. 5.81 is 75% of ?
  6. 6.40% of a number is 144. What is the number?
  7. 7.80% of a number is 212. What is the number?
  8. 8.Dev spent ₹58, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  9. 9.80% of a number is 72. What is the number?
  10. 10.5% of a number is 17. What is the number?
  11. 11.30% of a number is 69. What is the number?
  12. 12.Arjun spent ₹48, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  13. 13.Dev spent ₹50, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.146 is 40% of ?
  15. 15.125 is 50% of ?
  16. 16.Rohan spent ₹72, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  17. 17.50% of a number is 27. What is the number?
  18. 18.Ishaan spent ₹57, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  19. 19.18 is 15% of ?
  20. 20.40% of a number is 40. What is the number?
  21. 21.3 is 15% of ?
  22. 22.12% of a number is 45. What is the number?
  23. 23.25% of a number is 56. What is the number?
  24. 24.60 is 15% of ?
  25. 25.Dev spent ₹36, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.40% of a number is 44. What is the number?
  27. 27.75% of a number is 93. What is the number?
  28. 28.75% of a number is 42. What is the number?
  29. 29.194 is 50% of ?
  30. 30.45 is 75% of ?
  31. 31.37 is 10% of ?
  32. 32.Diya spent ₹24, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  33. 33.50% of a number is 129. What is the number?
  34. 34.10% of a number is 8. What is the number?
  35. 35.Ishaan spent ₹21, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  36. 36.60% of a number is 213. What is the number?
  37. 37.10% of a number is 33. What is the number?
  38. 38.Dev spent ₹33, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  39. 39.Arjun spent ₹46, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  40. 40.Dev spent ₹36, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 280
  2. 200
  3. 240
  4. 360
  5. 108
  6. 360
  7. 265
  8. 145
  9. 90
  10. 340
  11. 230
  12. 400
  13. 250
  14. 365
  15. 250
  16. 120
  17. 54
  18. 380
  19. 120
  20. 100
  21. 20
  22. 375
  23. 224
  24. 400
  25. 48
  26. 110
  27. 124
  28. 56
  29. 388
  30. 60
  31. 370
  32. 160
  33. 258
  34. 80
  35. 105
  36. 355
  37. 330
  38. 330
  39. 230
  40. 300

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