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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 195 · 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.Arjun spent ₹150, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  2. 2.80% of a number is 208. What is the number?
  3. 3.204 is 80% of ?
  4. 4.28 is 10% of ?
  5. 5.Sara spent ₹2, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  6. 6.Kabir spent ₹150, which is 50% of the pocket money. How much pocket money did Kabir have, in rupees?
  7. 7.20% of a number is 29. What is the number?
  8. 8.12% of a number is 18. What is the number?
  9. 9.Aarav spent ₹70, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.54 is 30% of ?
  11. 11.30% of a number is 24. What is the number?
  12. 12.Rohan spent ₹3, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  13. 13.15% of a number is 9. What is the number?
  14. 14.Diya spent ₹96, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  15. 15.252 is 80% of ?
  16. 16.48 is 15% of ?
  17. 17.3 is 15% of ?
  18. 18.75% of a number is 198. What is the number?
  19. 19.15% of a number is 21. What is the number?
  20. 20.12 is 30% of ?
  21. 21.80 is 50% of ?
  22. 22.15% of a number is 15. What is the number?
  23. 23.10% of a number is 23. What is the number?
  24. 24.25% of a number is 95. What is the number?
  25. 25.12% of a number is 36. What is the number?
  26. 26.132 is 40% of ?
  27. 27.60% of a number is 99. What is the number?
  28. 28.25% of a number is 79. What is the number?
  29. 29.12% of a number is 15. What is the number?
  30. 30.18 is 15% of ?
  31. 31.Kabir spent ₹19, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  32. 32.Dev spent ₹51, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  33. 33.72 is 50% of ?
  34. 34.Riya spent ₹27, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.42 is 20% of ?
  36. 36.10 is 5% of ?
  37. 37.15% of a number is 60. What is the number?
  38. 38.80% of a number is 184. What is the number?
  39. 39.12% of a number is 39. What is the number?
  40. 40.110 is 40% of ?

Answer key

  1. 375
  2. 260
  3. 255
  4. 280
  5. 20
  6. 300
  7. 145
  8. 150
  9. 175
  10. 180
  11. 80
  12. 60
  13. 60
  14. 120
  15. 315
  16. 320
  17. 20
  18. 264
  19. 140
  20. 40
  21. 160
  22. 100
  23. 230
  24. 380
  25. 300
  26. 330
  27. 165
  28. 316
  29. 125
  30. 120
  31. 380
  32. 102
  33. 144
  34. 180
  35. 210
  36. 200
  37. 400
  38. 230
  39. 325
  40. 275

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