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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 18 · 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 ₹84, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.60% of a number is 237. What is the number?
  3. 3.8 is 5% of ?
  4. 4.31 is 10% of ?
  5. 5.40% of a number is 16. What is the number?
  6. 6.25% of a number is 43. What is the number?
  7. 7.60% of a number is 39. What is the number?
  8. 8.Riya spent ₹39, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  9. 9.2 is 10% of ?
  10. 10.Anaya spent ₹19, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.25% of a number is 66. What is the number?
  12. 12.14 is 5% of ?
  13. 13.108 is 30% of ?
  14. 14.Meera spent ₹48, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.30% of a number is 87. What is the number?
  16. 16.15% of a number is 9. What is the number?
  17. 17.Arjun spent ₹237, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  18. 18.Aarav spent ₹21, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  19. 19.Dev spent ₹36, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  20. 20.Kabir spent ₹27, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  21. 21.Arjun spent ₹57, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  22. 22.Meera spent ₹81, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  23. 23.66 is 30% of ?
  24. 24.40% of a number is 38. What is the number?
  25. 25.111 is 30% of ?
  26. 26.16 is 5% of ?
  27. 27.22 is 10% of ?
  28. 28.Anaya spent ₹36, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  29. 29.Isha spent ₹14, which is 5% of the pocket money. How much pocket money did Isha have, in rupees?
  30. 30.6 is 12% of ?
  31. 31.Dev spent ₹60, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  32. 32.18 is 12% of ?
  33. 33.Anaya spent ₹150, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  34. 34.27 is 10% of ?
  35. 35.30% of a number is 45. What is the number?
  36. 36.141 is 60% of ?
  37. 37.60% of a number is 153. What is the number?
  38. 38.Ishaan spent ₹33, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.75% of a number is 282. What is the number?
  40. 40.Ishaan spent ₹13, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?

Answer key

  1. 336
  2. 395
  3. 160
  4. 310
  5. 40
  6. 172
  7. 65
  8. 325
  9. 20
  10. 380
  11. 264
  12. 280
  13. 360
  14. 320
  15. 290
  16. 60
  17. 316
  18. 175
  19. 300
  20. 225
  21. 95
  22. 324
  23. 220
  24. 95
  25. 370
  26. 320
  27. 220
  28. 60
  29. 280
  30. 50
  31. 200
  32. 150
  33. 250
  34. 270
  35. 150
  36. 235
  37. 255
  38. 275
  39. 376
  40. 65

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