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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 706 · 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.

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  1. 1.60% of a number is 60. What is the number?
  2. 2.Diya spent ₹48, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  3. 3.10 is 20% of ?
  4. 4.Rohan spent ₹60, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  5. 5.50% of a number is 169. What is the number?
  6. 6.40% of a number is 150. What is the number?
  7. 7.Anaya spent ₹3, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  8. 8.18 is 15% of ?
  9. 9.129 is 60% of ?
  10. 10.30% of a number is 36. What is the number?
  11. 11.Kabir spent ₹17, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  12. 12.Meera spent ₹33, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  13. 13.Meera spent ₹134, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  14. 14.Anaya spent ₹243, which is 75% of the pocket money. How much pocket money did Anaya have, in rupees?
  15. 15.Kabir spent ₹36, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  16. 16.3 is 30% of ?
  17. 17.1 is 5% of ?
  18. 18.24 is 15% of ?
  19. 19.Ishaan spent ₹76, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  20. 20.Sara spent ₹7, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  21. 21.Meera spent ₹10, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  22. 22.15% of a number is 39. What is the number?
  23. 23.30% of a number is 108. What is the number?
  24. 24.Isha spent ₹21, which is 30% of the pocket money. How much pocket money did Isha have, in rupees?
  25. 25.20% of a number is 79. What is the number?
  26. 26.12% of a number is 21. What is the number?
  27. 27.28 is 10% of ?
  28. 28.20% of a number is 50. What is the number?
  29. 29.9 is 75% of ?
  30. 30.31 is 20% of ?
  31. 31.Dev spent ₹18, which is 12% of the pocket money. How much pocket money did Dev have, in rupees?
  32. 32.120 is 75% of ?
  33. 33.40% of a number is 108. What is the number?
  34. 34.Ishaan spent ₹108, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  35. 35.15 is 15% of ?
  36. 36.12% of a number is 6. What is the number?
  37. 37.154 is 40% of ?
  38. 38.50% of a number is 99. What is the number?
  39. 39.Arjun spent ₹31, which is 10% of the pocket money. How much pocket money did Arjun have, in rupees?
  40. 40.27 is 25% of ?

Answer key

  1. 100
  2. 192
  3. 50
  4. 75
  5. 338
  6. 375
  7. 25
  8. 120
  9. 215
  10. 120
  11. 340
  12. 275
  13. 335
  14. 324
  15. 300
  16. 10
  17. 20
  18. 160
  19. 304
  20. 28
  21. 200
  22. 260
  23. 360
  24. 70
  25. 395
  26. 175
  27. 280
  28. 250
  29. 12
  30. 155
  31. 150
  32. 160
  33. 270
  34. 135
  35. 100
  36. 50
  37. 385
  38. 198
  39. 310
  40. 108

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