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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 529 · 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.Riya spent ₹261, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.Anaya spent ₹61, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  3. 3.Riya spent ₹19, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.75% of a number is 177. What is the number?
  5. 5.3 is 5% of ?
  6. 6.Rohan spent ₹30, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  7. 7.10% of a number is 10. What is the number?
  8. 8.50% of a number is 54. What is the number?
  9. 9.30% of a number is 57. What is the number?
  10. 10.24 is 12% of ?
  11. 11.272 is 80% of ?
  12. 12.75% of a number is 231. What is the number?
  13. 13.12% of a number is 3. What is the number?
  14. 14.30% of a number is 33. What is the number?
  15. 15.12% of a number is 9. What is the number?
  16. 16.12% of a number is 24. What is the number?
  17. 17.20% of a number is 69. What is the number?
  18. 18.30% of a number is 78. What is the number?
  19. 19.50% of a number is 73. What is the number?
  20. 20.40% of a number is 80. What is the number?
  21. 21.Riya spent ₹150, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.98 is 25% of ?
  23. 23.16 is 10% of ?
  24. 24.30% of a number is 87. What is the number?
  25. 25.Aarav spent ₹195, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  26. 26.Dev spent ₹31, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  27. 27.40% of a number is 98. What is the number?
  28. 28.Ishaan spent ₹175, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  29. 29.30% of a number is 42. What is the number?
  30. 30.12% of a number is 33. What is the number?
  31. 31.Ishaan spent ₹6, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  32. 32.Sara spent ₹94, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  33. 33.10% of a number is 30. What is the number?
  34. 34.5% of a number is 10. What is the number?
  35. 35.Arjun spent ₹11, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  36. 36.Anaya spent ₹96, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  37. 37.3 is 60% of ?
  38. 38.20% of a number is 17. What is the number?
  39. 39.Aarav spent ₹22, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  40. 40.50% of a number is 37. What is the number?

Answer key

  1. 348
  2. 305
  3. 190
  4. 236
  5. 60
  6. 300
  7. 100
  8. 108
  9. 190
  10. 200
  11. 340
  12. 308
  13. 25
  14. 110
  15. 75
  16. 200
  17. 345
  18. 260
  19. 146
  20. 200
  21. 250
  22. 392
  23. 160
  24. 290
  25. 260
  26. 155
  27. 245
  28. 350
  29. 140
  30. 275
  31. 120
  32. 188
  33. 300
  34. 200
  35. 44
  36. 320
  37. 5
  38. 85
  39. 55
  40. 74

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