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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 698 · 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 40. What is the number?
  2. 2.20% of a number is 74. What is the number?
  3. 3.39 is 15% of ?
  4. 4.80% of a number is 152. What is the number?
  5. 5.60% of a number is 156. What is the number?
  6. 6.Kabir spent ₹12, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  7. 7.80% of a number is 16. What is the number?
  8. 8.Dev spent ₹152, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  9. 9.38 is 20% of ?
  10. 10.20% of a number is 16. What is the number?
  11. 11.60% of a number is 105. What is the number?
  12. 12.36 is 10% of ?
  13. 13.5% of a number is 4. What is the number?
  14. 14.12% of a number is 36. What is the number?
  15. 15.20% of a number is 28. What is the number?
  16. 16.1 is 5% of ?
  17. 17.152 is 80% of ?
  18. 18.15% of a number is 18. What is the number?
  19. 19.10% of a number is 35. What is the number?
  20. 20.30% of a number is 99. What is the number?
  21. 21.60% of a number is 195. What is the number?
  22. 22.Kabir spent ₹96, which is 75% of the pocket money. How much pocket money did Kabir have, in rupees?
  23. 23.80% of a number is 12. What is the number?
  24. 24.50% of a number is 32. What is the number?
  25. 25.Anaya spent ₹99, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  26. 26.25% of a number is 43. What is the number?
  27. 27.Riya spent ₹5, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  28. 28.15 is 12% of ?
  29. 29.3 is 5% of ?
  30. 30.Aarav spent ₹99, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  31. 31.12% of a number is 6. What is the number?
  32. 32.164 is 50% of ?
  33. 33.20% of a number is 37. What is the number?
  34. 34.Arjun spent ₹268, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  35. 35.40% of a number is 20. What is the number?
  36. 36.Dev spent ₹28, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  37. 37.84 is 30% of ?
  38. 38.10% of a number is 21. What is the number?
  39. 39.25 is 10% of ?
  40. 40.186 is 75% of ?

Answer key

  1. 100
  2. 370
  3. 260
  4. 190
  5. 260
  6. 15
  7. 20
  8. 380
  9. 190
  10. 80
  11. 175
  12. 360
  13. 80
  14. 300
  15. 140
  16. 20
  17. 190
  18. 120
  19. 350
  20. 330
  21. 325
  22. 128
  23. 15
  24. 64
  25. 330
  26. 172
  27. 10
  28. 125
  29. 60
  30. 330
  31. 50
  32. 328
  33. 185
  34. 335
  35. 50
  36. 35
  37. 280
  38. 210
  39. 250
  40. 248

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