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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 724 · 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 ₹5, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.5% of a number is 12. What is the number?
  3. 3.40 is 10% of ?
  4. 4.30% of a number is 99. What is the number?
  5. 5.54 is 30% of ?
  6. 6.50% of a number is 183. What is the number?
  7. 7.12% of a number is 48. What is the number?
  8. 8.Arjun spent ₹69, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  9. 9.30 is 30% of ?
  10. 10.84 is 60% of ?
  11. 11.40% of a number is 22. What is the number?
  12. 12.Riya spent ₹63, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  13. 13.21 is 12% of ?
  14. 14.25% of a number is 26. What is the number?
  15. 15.78 is 30% of ?
  16. 16.75% of a number is 255. What is the number?
  17. 17.75% of a number is 42. What is the number?
  18. 18.Rohan spent ₹28, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  19. 19.1 is 5% of ?
  20. 20.Isha spent ₹183, which is 75% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.50% of a number is 198. What is the number?
  22. 22.7 is 5% of ?
  23. 23.Sara spent ₹144, which is 80% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.197 is 50% of ?
  25. 25.Aarav spent ₹102, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  26. 26.5% of a number is 10. What is the number?
  27. 27.Anaya spent ₹27, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  28. 28.Arjun spent ₹249, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  29. 29.30% of a number is 9. What is the number?
  30. 30.312 is 80% of ?
  31. 31.25% of a number is 55. What is the number?
  32. 32.Dev spent ₹2, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  33. 33.15 is 10% of ?
  34. 34.Aarav spent ₹176, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  35. 35.50% of a number is 92. What is the number?
  36. 36.15% of a number is 15. What is the number?
  37. 37.Ishaan spent ₹54, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  38. 38.4 is 10% of ?
  39. 39.5% of a number is 5. What is the number?
  40. 40.Aarav spent ₹24, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?

Answer key

  1. 100
  2. 240
  3. 400
  4. 330
  5. 180
  6. 366
  7. 400
  8. 92
  9. 100
  10. 140
  11. 55
  12. 315
  13. 175
  14. 104
  15. 260
  16. 340
  17. 56
  18. 140
  19. 20
  20. 244
  21. 396
  22. 140
  23. 180
  24. 394
  25. 170
  26. 200
  27. 90
  28. 332
  29. 30
  30. 390
  31. 220
  32. 20
  33. 150
  34. 352
  35. 184
  36. 100
  37. 360
  38. 40
  39. 100
  40. 200

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