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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 678 · 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.Aarav spent ₹9, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  2. 2.204 is 80% of ?
  3. 3.28 is 25% of ?
  4. 4.20% of a number is 16. What is the number?
  5. 5.70 is 20% of ?
  6. 6.60% of a number is 102. What is the number?
  7. 7.20% of a number is 6. What is the number?
  8. 8.Kabir spent ₹99, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  9. 9.4 is 80% of ?
  10. 10.5% of a number is 5. What is the number?
  11. 11.Arjun spent ₹13, which is 5% of the pocket money. How much pocket money did Arjun have, in rupees?
  12. 12.15% of a number is 48. What is the number?
  13. 13.37 is 10% of ?
  14. 14.174 is 50% of ?
  15. 15.74 is 40% of ?
  16. 16.15% of a number is 36. What is the number?
  17. 17.Aarav spent ₹6, which is 40% of the pocket money. How much pocket money did Aarav have, in rupees?
  18. 18.31 is 20% of ?
  19. 19.Kabir spent ₹21, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  20. 20.57 is 30% of ?
  21. 21.48 is 75% of ?
  22. 22.20% of a number is 52. What is the number?
  23. 23.10% of a number is 17. What is the number?
  24. 24.40% of a number is 48. What is the number?
  25. 25.36 is 20% of ?
  26. 26.Sara spent ₹6, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  27. 27.Kabir spent ₹21, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  28. 28.Rohan spent ₹3, which is 5% of the pocket money. How much pocket money did Rohan have, in rupees?
  29. 29.Anaya spent ₹128, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  30. 30.3 is 10% of ?
  31. 31.Ishaan spent ₹316, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  32. 32.49 is 25% of ?
  33. 33.Isha spent ₹160, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  34. 34.Isha spent ₹63, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  35. 35.288 is 80% of ?
  36. 36.12% of a number is 6. What is the number?
  37. 37.10% of a number is 27. What is the number?
  38. 38.Diya spent ₹97, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  39. 39.73 is 20% of ?
  40. 40.60% of a number is 237. What is the number?

Answer key

  1. 60
  2. 255
  3. 112
  4. 80
  5. 350
  6. 170
  7. 30
  8. 330
  9. 5
  10. 100
  11. 260
  12. 320
  13. 370
  14. 348
  15. 185
  16. 240
  17. 15
  18. 155
  19. 70
  20. 190
  21. 64
  22. 260
  23. 170
  24. 120
  25. 180
  26. 40
  27. 175
  28. 60
  29. 160
  30. 30
  31. 395
  32. 196
  33. 320
  34. 315
  35. 360
  36. 50
  37. 270
  38. 388
  39. 365
  40. 395

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