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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 835 · 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.Kabir spent ₹9, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  2. 2.50% of a number is 57. What is the number?
  3. 3.112 is 80% of ?
  4. 4.Rohan spent ₹18, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  5. 5.75% of a number is 294. What is the number?
  6. 6.60% of a number is 192. What is the number?
  7. 7.27 is 25% of ?
  8. 8.25% of a number is 53. What is the number?
  9. 9.36 is 12% of ?
  10. 10.46 is 25% of ?
  11. 11.96 is 25% of ?
  12. 12.15% of a number is 15. What is the number?
  13. 13.15% of a number is 9. What is the number?
  14. 14.50% of a number is 85. What is the number?
  15. 15.25% of a number is 57. What is the number?
  16. 16.228 is 60% of ?
  17. 17.30% of a number is 93. What is the number?
  18. 18.40% of a number is 12. What is the number?
  19. 19.12% of a number is 33. What is the number?
  20. 20.40% of a number is 72. What is the number?
  21. 21.75% of a number is 90. What is the number?
  22. 22.Dev spent ₹189, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  23. 23.Diya spent ₹21, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  24. 24.Arjun spent ₹4, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.64 is 40% of ?
  26. 26.25% of a number is 79. What is the number?
  27. 27.50% of a number is 97. What is the number?
  28. 28.58 is 20% of ?
  29. 29.80% of a number is 312. What is the number?
  30. 30.Sara spent ₹3, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  31. 31.80% of a number is 104. What is the number?
  32. 32.Diya spent ₹272, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  33. 33.Arjun spent ₹31, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  34. 34.114 is 40% of ?
  35. 35.Meera spent ₹74, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  36. 36.Arjun spent ₹3, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  37. 37.25% of a number is 25. What is the number?
  38. 38.50% of a number is 135. What is the number?
  39. 39.30% of a number is 15. What is the number?
  40. 40.20% of a number is 71. What is the number?

Answer key

  1. 180
  2. 114
  3. 140
  4. 24
  5. 392
  6. 320
  7. 108
  8. 212
  9. 300
  10. 184
  11. 384
  12. 100
  13. 60
  14. 170
  15. 228
  16. 380
  17. 310
  18. 30
  19. 275
  20. 180
  21. 120
  22. 252
  23. 42
  24. 20
  25. 160
  26. 316
  27. 194
  28. 290
  29. 390
  30. 25
  31. 130
  32. 340
  33. 310
  34. 285
  35. 296
  36. 25
  37. 100
  38. 270
  39. 50
  40. 355

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