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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 514 · 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.Ishaan spent ₹6, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  2. 2.Sara spent ₹96, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  3. 3.108 is 80% of ?
  4. 4.29 is 10% of ?
  5. 5.60% of a number is 192. What is the number?
  6. 6.60% of a number is 180. What is the number?
  7. 7.25% of a number is 62. What is the number?
  8. 8.60% of a number is 27. What is the number?
  9. 9.Riya spent ₹117, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  10. 10.30% of a number is 51. What is the number?
  11. 11.12% of a number is 15. What is the number?
  12. 12.45 is 12% of ?
  13. 13.54 is 20% of ?
  14. 14.36 is 50% of ?
  15. 15.121 is 50% of ?
  16. 16.26 is 25% of ?
  17. 17.Arjun spent ₹24, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.Rohan spent ₹276, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.Diya spent ₹36, which is 20% of the pocket money. How much pocket money did Diya have, in rupees?
  20. 20.12% of a number is 42. What is the number?
  21. 21.50% of a number is 165. What is the number?
  22. 22.50% of a number is 164. What is the number?
  23. 23.Arjun spent ₹222, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  24. 24.15% of a number is 9. What is the number?
  25. 25.75% of a number is 285. What is the number?
  26. 26.1 is 10% of ?
  27. 27.Aarav spent ₹20, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  28. 28.188 is 80% of ?
  29. 29.5% of a number is 8. What is the number?
  30. 30.Riya spent ₹66, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.Riya spent ₹108, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  32. 32.Aarav spent ₹3, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.84 is 80% of ?
  34. 34.12% of a number is 30. What is the number?
  35. 35.75% of a number is 297. What is the number?
  36. 36.Anaya spent ₹27, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  37. 37.Rohan spent ₹3, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  38. 38.46 is 40% of ?
  39. 39.20% of a number is 24. What is the number?
  40. 40.Rohan spent ₹57, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?

Answer key

  1. 50
  2. 320
  3. 135
  4. 290
  5. 320
  6. 300
  7. 248
  8. 45
  9. 234
  10. 170
  11. 125
  12. 375
  13. 270
  14. 72
  15. 242
  16. 104
  17. 200
  18. 368
  19. 180
  20. 350
  21. 330
  22. 328
  23. 296
  24. 60
  25. 380
  26. 10
  27. 400
  28. 235
  29. 160
  30. 110
  31. 270
  32. 20
  33. 105
  34. 250
  35. 396
  36. 180
  37. 25
  38. 115
  39. 120
  40. 380

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