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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 399 · 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. 1.50% of a number is 175. What is the number?
  2. 2.15 is 30% of ?
  3. 3.196 is 50% of ?
  4. 4.12% of a number is 27. What is the number?
  5. 5.Meera spent ₹44, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  6. 6.Aarav spent ₹13, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  7. 7.60% of a number is 132. What is the number?
  8. 8.Anaya spent ₹40, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  9. 9.50% of a number is 134. What is the number?
  10. 10.30% of a number is 39. What is the number?
  11. 11.30% of a number is 12. What is the number?
  12. 12.30% of a number is 45. What is the number?
  13. 13.148 is 50% of ?
  14. 14.Arjun spent ₹33, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  15. 15.20% of a number is 31. What is the number?
  16. 16.40% of a number is 72. What is the number?
  17. 17.60% of a number is 147. What is the number?
  18. 18.12% of a number is 12. What is the number?
  19. 19.140 is 80% of ?
  20. 20.Ishaan spent ₹108, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  21. 21.5% of a number is 2. What is the number?
  22. 22.Sara spent ₹15, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  23. 23.80% of a number is 60. What is the number?
  24. 24.25% of a number is 53. What is the number?
  25. 25.62 is 25% of ?
  26. 26.25% of a number is 14. What is the number?
  27. 27.Meera spent ₹177, which is 75% of the pocket money. How much pocket money did Meera have, in rupees?
  28. 28.Anaya spent ₹28, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  29. 29.20% of a number is 26. What is the number?
  30. 30.30% of a number is 21. What is the number?
  31. 31.Meera spent ₹6, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  32. 32.Anaya spent ₹3, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  33. 33.Anaya spent ₹23, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  34. 34.Aarav spent ₹7, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.15% of a number is 3. What is the number?
  36. 36.36 is 12% of ?
  37. 37.Ishaan spent ₹27, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  38. 38.5% of a number is 18. What is the number?
  39. 39.66 is 60% of ?
  40. 40.44 is 20% of ?

Answer key

  1. 350
  2. 50
  3. 392
  4. 225
  5. 55
  6. 65
  7. 220
  8. 400
  9. 268
  10. 130
  11. 40
  12. 150
  13. 296
  14. 330
  15. 155
  16. 180
  17. 245
  18. 100
  19. 175
  20. 144
  21. 40
  22. 20
  23. 75
  24. 212
  25. 248
  26. 56
  27. 236
  28. 112
  29. 130
  30. 70
  31. 50
  32. 30
  33. 230
  34. 140
  35. 20
  36. 300
  37. 180
  38. 360
  39. 110
  40. 220

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