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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 939 · 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. 1.80% of a number is 272. What is the number?
  2. 2.12 is 40% of ?
  3. 3.10% of a number is 4. What is the number?
  4. 4.15 is 50% of ?
  5. 5.Arjun spent ₹66, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.75% of a number is 294. What is the number?
  7. 7.Sara spent ₹156, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.19 is 10% of ?
  9. 9.Diya spent ₹20, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  10. 10.78 is 30% of ?
  11. 11.60% of a number is 3. What is the number?
  12. 12.25% of a number is 58. What is the number?
  13. 13.15 is 15% of ?
  14. 14.Dev spent ₹14, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  15. 15.Dev spent ₹153, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  16. 16.60% of a number is 18. What is the number?
  17. 17.30% of a number is 60. What is the number?
  18. 18.12% of a number is 36. What is the number?
  19. 19.92 is 25% of ?
  20. 20.60% of a number is 105. What is the number?
  21. 21.Dev spent ₹18, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.Anaya spent ₹240, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  23. 23.50% of a number is 116. What is the number?
  24. 24.75% of a number is 252. What is the number?
  25. 25.50% of a number is 95. What is the number?
  26. 26.50% of a number is 112. What is the number?
  27. 27.Meera spent ₹198, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.40% of a number is 58. What is the number?
  29. 29.30% of a number is 111. What is the number?
  30. 30.75% of a number is 288. What is the number?
  31. 31.50% of a number is 9. What is the number?
  32. 32.10 is 20% of ?
  33. 33.25% of a number is 24. What is the number?
  34. 34.10% of a number is 5. What is the number?
  35. 35.80% of a number is 144. What is the number?
  36. 36.28 is 40% of ?
  37. 37.122 is 50% of ?
  38. 38.40% of a number is 90. What is the number?
  39. 39.126 is 75% of ?
  40. 40.60 is 60% of ?

Answer key

  1. 340
  2. 30
  3. 40
  4. 30
  5. 264
  6. 392
  7. 208
  8. 190
  9. 200
  10. 260
  11. 5
  12. 232
  13. 100
  14. 140
  15. 204
  16. 30
  17. 200
  18. 300
  19. 368
  20. 175
  21. 90
  22. 320
  23. 232
  24. 336
  25. 190
  26. 224
  27. 264
  28. 145
  29. 370
  30. 384
  31. 18
  32. 50
  33. 96
  34. 50
  35. 180
  36. 70
  37. 244
  38. 225
  39. 168
  40. 100

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