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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 311 · 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 204. What is the number?
  2. 2.60% of a number is 30. What is the number?
  3. 3.10% of a number is 6. What is the number?
  4. 4.177 is 60% of ?
  5. 5.15% of a number is 51. What is the number?
  6. 6.56 is 25% of ?
  7. 7.80% of a number is 216. What is the number?
  8. 8.146 is 40% of ?
  9. 9.Rohan spent ₹12, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  10. 10.174 is 50% of ?
  11. 11.Riya spent ₹68, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  12. 12.Diya spent ₹25, which is 10% of the pocket money. How much pocket money did Diya have, in rupees?
  13. 13.Isha spent ₹117, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  14. 14.15% of a number is 33. What is the number?
  15. 15.Riya spent ₹78, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.186 is 60% of ?
  17. 17.10% of a number is 37. What is the number?
  18. 18.Dev spent ₹63, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  19. 19.45 is 12% of ?
  20. 20.12 is 40% of ?
  21. 21.5% of a number is 14. What is the number?
  22. 22.Anaya spent ₹6, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  23. 23.50% of a number is 181. What is the number?
  24. 24.Isha spent ₹18, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  25. 25.9 is 12% of ?
  26. 26.15% of a number is 9. What is the number?
  27. 27.Arjun spent ₹198, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  28. 28.273 is 75% of ?
  29. 29.60% of a number is 240. What is the number?
  30. 30.Arjun spent ₹3, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  31. 31.195 is 60% of ?
  32. 32.6 is 12% of ?
  33. 33.Meera spent ₹13, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  34. 34.30% of a number is 57. What is the number?
  35. 35.12% of a number is 6. What is the number?
  36. 36.Dev spent ₹6, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  37. 37.20% of a number is 71. What is the number?
  38. 38.12% of a number is 33. What is the number?
  39. 39.Aarav spent ₹6, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.Riya spent ₹2, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 255
  2. 50
  3. 60
  4. 295
  5. 340
  6. 224
  7. 270
  8. 365
  9. 16
  10. 348
  11. 170
  12. 250
  13. 195
  14. 220
  15. 130
  16. 310
  17. 370
  18. 126
  19. 375
  20. 30
  21. 280
  22. 10
  23. 362
  24. 30
  25. 75
  26. 60
  27. 264
  28. 364
  29. 400
  30. 15
  31. 325
  32. 50
  33. 65
  34. 190
  35. 50
  36. 20
  37. 355
  38. 275
  39. 50
  40. 20

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