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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 227 · 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. 1.37 is 10% of ?
  2. 2.20% of a number is 60. What is the number?
  3. 3.15% of a number is 39. What is the number?
  4. 4.80% of a number is 200. What is the number?
  5. 5.80% of a number is 280. What is the number?
  6. 6.45 is 30% of ?
  7. 7.25% of a number is 89. What is the number?
  8. 8.80% of a number is 8. What is the number?
  9. 9.15% of a number is 18. What is the number?
  10. 10.1 is 20% of ?
  11. 11.98 is 50% of ?
  12. 12.11 is 10% of ?
  13. 13.Diya spent ₹72, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  14. 14.Dev spent ₹96, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  15. 15.87 is 25% of ?
  16. 16.Arjun spent ₹15, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  17. 17.40% of a number is 42. What is the number?
  18. 18.36 is 15% of ?
  19. 19.20% of a number is 63. What is the number?
  20. 20.103 is 50% of ?
  21. 21.Ishaan spent ₹33, which is 10% of the pocket money. How much pocket money did Ishaan have, in rupees?
  22. 22.Kabir spent ₹93, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  23. 23.25% of a number is 47. What is the number?
  24. 24.40% of a number is 96. What is the number?
  25. 25.60% of a number is 30. What is the number?
  26. 26.25% of a number is 5. What is the number?
  27. 27.136 is 80% of ?
  28. 28.Dev spent ₹34, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  29. 29.40% of a number is 48. What is the number?
  30. 30.10% of a number is 34. What is the number?
  31. 31.Sara spent ₹21, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  32. 32.75% of a number is 156. What is the number?
  33. 33.15 is 5% of ?
  34. 34.84 is 60% of ?
  35. 35.25% of a number is 56. What is the number?
  36. 36.9 is 10% of ?
  37. 37.3 is 25% of ?
  38. 38.75% of a number is 267. What is the number?
  39. 39.Riya spent ₹93, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.40% of a number is 2. What is the number?

Answer key

  1. 370
  2. 300
  3. 260
  4. 250
  5. 350
  6. 150
  7. 356
  8. 10
  9. 120
  10. 5
  11. 196
  12. 110
  13. 240
  14. 120
  15. 348
  16. 50
  17. 105
  18. 240
  19. 315
  20. 206
  21. 330
  22. 124
  23. 188
  24. 240
  25. 50
  26. 20
  27. 170
  28. 340
  29. 120
  30. 340
  31. 35
  32. 208
  33. 300
  34. 140
  35. 224
  36. 90
  37. 12
  38. 356
  39. 372
  40. 5

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