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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 107 · 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. 1.25% of a number is 67. What is the number?
  2. 2.138 is 75% of ?
  3. 3.Dev spent ₹186, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  4. 4.48 is 15% of ?
  5. 5.Rohan spent ₹264, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  6. 6.10% of a number is 10. What is the number?
  7. 7.15% of a number is 15. What is the number?
  8. 8.36 is 30% of ?
  9. 9.10% of a number is 22. What is the number?
  10. 10.17 is 10% of ?
  11. 11.Dev spent ₹25, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  12. 12.80% of a number is 220. What is the number?
  13. 13.171 is 60% of ?
  14. 14.Anaya spent ₹30, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  15. 15.55 is 50% of ?
  16. 16.75% of a number is 186. What is the number?
  17. 17.219 is 75% of ?
  18. 18.60% of a number is 57. What is the number?
  19. 19.20% of a number is 41. What is the number?
  20. 20.30 is 12% of ?
  21. 21.15 is 10% of ?
  22. 22.96 is 30% of ?
  23. 23.40% of a number is 144. What is the number?
  24. 24.10% of a number is 38. What is the number?
  25. 25.96 is 25% of ?
  26. 26.Sara spent ₹29, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  27. 27.14 is 5% of ?
  28. 28.12 is 30% of ?
  29. 29.231 is 60% of ?
  30. 30.Meera spent ₹111, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  31. 31.42 is 75% of ?
  32. 32.30 is 15% of ?
  33. 33.Diya spent ₹51, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  34. 34.40% of a number is 42. What is the number?
  35. 35.Diya spent ₹1, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  36. 36.5% of a number is 10. What is the number?
  37. 37.13 is 10% of ?
  38. 38.Rohan spent ₹72, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  39. 39.80% of a number is 96. What is the number?
  40. 40.Sara spent ₹36, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?

Answer key

  1. 268
  2. 184
  3. 310
  4. 320
  5. 330
  6. 100
  7. 100
  8. 120
  9. 220
  10. 170
  11. 250
  12. 275
  13. 285
  14. 200
  15. 110
  16. 248
  17. 292
  18. 95
  19. 205
  20. 250
  21. 150
  22. 320
  23. 360
  24. 380
  25. 384
  26. 116
  27. 280
  28. 40
  29. 385
  30. 370
  31. 56
  32. 200
  33. 340
  34. 105
  35. 20
  36. 200
  37. 130
  38. 240
  39. 120
  40. 60

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