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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 562 · 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. 1.21 is 15% of ?
  2. 2.Aarav spent ₹17, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  3. 3.50% of a number is 170. What is the number?
  4. 4.5% of a number is 4. What is the number?
  5. 5.30% of a number is 66. What is the number?
  6. 6.12 is 20% of ?
  7. 7.Isha spent ₹237, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  8. 8.50% of a number is 164. What is the number?
  9. 9.61 is 25% of ?
  10. 10.Dev spent ₹51, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  11. 11.76 is 25% of ?
  12. 12.Diya spent ₹54, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  13. 13.Dev spent ₹67, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.10% of a number is 2. What is the number?
  15. 15.3 is 75% of ?
  16. 16.Kabir spent ₹11, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  17. 17.75% of a number is 54. What is the number?
  18. 18.Rohan spent ₹9, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.Sara spent ₹68, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  20. 20.72 is 25% of ?
  21. 21.37 is 25% of ?
  22. 22.51 is 75% of ?
  23. 23.Riya spent ₹97, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  24. 24.Rohan spent ₹18, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  25. 25.Arjun spent ₹24, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  26. 26.20% of a number is 21. What is the number?
  27. 27.12% of a number is 6. What is the number?
  28. 28.25% of a number is 87. What is the number?
  29. 29.Anaya spent ₹71, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  30. 30.4 is 5% of ?
  31. 31.42 is 15% of ?
  32. 32.10% of a number is 24. What is the number?
  33. 33.20% of a number is 59. What is the number?
  34. 34.60% of a number is 177. What is the number?
  35. 35.60% of a number is 159. What is the number?
  36. 36.Ishaan spent ₹40, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  37. 37.219 is 75% of ?
  38. 38.Rohan spent ₹73, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  39. 39.Riya spent ₹66, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.248 is 80% of ?

Answer key

  1. 140
  2. 85
  3. 340
  4. 80
  5. 220
  6. 60
  7. 395
  8. 328
  9. 244
  10. 340
  11. 304
  12. 360
  13. 134
  14. 20
  15. 4
  16. 220
  17. 72
  18. 75
  19. 170
  20. 288
  21. 148
  22. 68
  23. 194
  24. 45
  25. 40
  26. 105
  27. 50
  28. 348
  29. 355
  30. 80
  31. 280
  32. 240
  33. 295
  34. 295
  35. 265
  36. 160
  37. 292
  38. 365
  39. 330
  40. 310

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