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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 601 · 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. 1.29 is 10% of ?
  2. 2.5% of a number is 8. What is the number?
  3. 3.75% of a number is 27. What is the number?
  4. 4.30% of a number is 120. What is the number?
  5. 5.20% of a number is 23. What is the number?
  6. 6.20% of a number is 38. What is the number?
  7. 7.10% of a number is 10. What is the number?
  8. 8.15% of a number is 24. What is the number?
  9. 9.20% of a number is 24. What is the number?
  10. 10.Diya spent ₹42, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  11. 11.126 is 60% of ?
  12. 12.Dev spent ₹212, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  13. 13.128 is 50% of ?
  14. 14.60% of a number is 114. What is the number?
  15. 15.21 is 12% of ?
  16. 16.75% of a number is 237. What is the number?
  17. 17.Kabir spent ₹201, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  18. 18.60% of a number is 234. What is the number?
  19. 19.99 is 30% of ?
  20. 20.5% of a number is 10. What is the number?
  21. 21.Diya spent ₹231, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  22. 22.21 is 30% of ?
  23. 23.20 is 80% of ?
  24. 24.Diya spent ₹6, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  25. 25.12% of a number is 18. What is the number?
  26. 26.72 is 30% of ?
  27. 27.25 is 10% of ?
  28. 28.60% of a number is 195. What is the number?
  29. 29.15% of a number is 60. What is the number?
  30. 30.108 is 60% of ?
  31. 31.15 is 25% of ?
  32. 32.Dev spent ₹6, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  33. 33.Dev spent ₹185, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  34. 34.20% of a number is 43. What is the number?
  35. 35.Diya spent ₹15, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  36. 36.94 is 25% of ?
  37. 37.34 is 10% of ?
  38. 38.Aarav spent ₹6, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  39. 39.25% of a number is 13. What is the number?
  40. 40.Diya spent ₹93, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?

Answer key

  1. 290
  2. 160
  3. 36
  4. 400
  5. 115
  6. 190
  7. 100
  8. 160
  9. 120
  10. 105
  11. 210
  12. 265
  13. 256
  14. 190
  15. 175
  16. 316
  17. 268
  18. 390
  19. 330
  20. 200
  21. 308
  22. 70
  23. 25
  24. 60
  25. 150
  26. 240
  27. 250
  28. 325
  29. 400
  30. 180
  31. 60
  32. 20
  33. 370
  34. 215
  35. 300
  36. 376
  37. 340
  38. 24
  39. 52
  40. 155

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