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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 800 · 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 196. What is the number?
  2. 2.80% of a number is 128. What is the number?
  3. 3.Rohan spent ₹33, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  4. 4.Anaya spent ₹69, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  5. 5.20% of a number is 55. What is the number?
  6. 6.Aarav spent ₹2, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.Sara spent ₹11, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  8. 8.11 is 10% of ?
  9. 9.Dev spent ₹1, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  10. 10.21 is 15% of ?
  11. 11.40% of a number is 70. What is the number?
  12. 12.Dev spent ₹67, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  13. 13.75% of a number is 210. What is the number?
  14. 14.80% of a number is 156. What is the number?
  15. 15.25% of a number is 100. What is the number?
  16. 16.60% of a number is 183. What is the number?
  17. 17.12% of a number is 21. What is the number?
  18. 18.Arjun spent ₹93, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  19. 19.98 is 50% of ?
  20. 20.Sara spent ₹78, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  21. 21.Dev spent ₹9, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  22. 22.18 is 10% of ?
  23. 23.9 is 12% of ?
  24. 24.12% of a number is 6. What is the number?
  25. 25.Dev spent ₹132, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.81 is 30% of ?
  27. 27.Arjun spent ₹246, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  28. 28.75% of a number is 162. What is the number?
  29. 29.21 is 75% of ?
  30. 30.4 is 40% of ?
  31. 31.Anaya spent ₹155, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  32. 32.20% of a number is 33. What is the number?
  33. 33.40% of a number is 8. What is the number?
  34. 34.18 is 15% of ?
  35. 35.40% of a number is 118. What is the number?
  36. 36.Riya spent ₹93, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  37. 37.Meera spent ₹51, which is 60% of the pocket money. How much pocket money did Meera have, in rupees?
  38. 38.75% of a number is 213. What is the number?
  39. 39.Riya spent ₹97, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.25% of a number is 78. What is the number?

Answer key

  1. 245
  2. 160
  3. 275
  4. 92
  5. 275
  6. 40
  7. 110
  8. 110
  9. 5
  10. 140
  11. 175
  12. 268
  13. 280
  14. 195
  15. 400
  16. 305
  17. 175
  18. 124
  19. 196
  20. 195
  21. 15
  22. 180
  23. 75
  24. 50
  25. 176
  26. 270
  27. 328
  28. 216
  29. 28
  30. 10
  31. 310
  32. 165
  33. 20
  34. 120
  35. 295
  36. 124
  37. 85
  38. 284
  39. 388
  40. 312

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