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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 991 · 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.Anaya spent ₹43, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  2. 2.15% of a number is 51. What is the number?
  3. 3.49 is 20% of ?
  4. 4.6 is 75% of ?
  5. 5.12% of a number is 24. What is the number?
  6. 6.10% of a number is 35. What is the number?
  7. 7.28 is 10% of ?
  8. 8.40% of a number is 66. What is the number?
  9. 9.17 is 5% of ?
  10. 10.10% of a number is 31. What is the number?
  11. 11.Isha spent ₹28, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  12. 12.291 is 75% of ?
  13. 13.50 is 40% of ?
  14. 14.Aarav spent ₹45, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  15. 15.12 is 5% of ?
  16. 16.120 is 80% of ?
  17. 17.30% of a number is 9. What is the number?
  18. 18.108 is 30% of ?
  19. 19.50% of a number is 167. What is the number?
  20. 20.Arjun spent ₹72, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  21. 21.60% of a number is 231. What is the number?
  22. 22.5% of a number is 20. What is the number?
  23. 23.Rohan spent ₹55, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  24. 24.12% of a number is 36. What is the number?
  25. 25.7 is 20% of ?
  26. 26.Dev spent ₹22, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  27. 27.52 is 20% of ?
  28. 28.36 is 50% of ?
  29. 29.50% of a number is 180. What is the number?
  30. 30.10% of a number is 39. What is the number?
  31. 31.50% of a number is 56. What is the number?
  32. 32.Aarav spent ₹210, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  33. 33.40% of a number is 28. What is the number?
  34. 34.Riya spent ₹11, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  35. 35.Aarav spent ₹28, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  36. 36.Arjun spent ₹12, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  37. 37.28 is 40% of ?
  38. 38.100 is 80% of ?
  39. 39.40% of a number is 34. What is the number?
  40. 40.Aarav spent ₹70, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?

Answer key

  1. 86
  2. 340
  3. 245
  4. 8
  5. 200
  6. 350
  7. 280
  8. 165
  9. 340
  10. 310
  11. 70
  12. 388
  13. 125
  14. 90
  15. 240
  16. 150
  17. 30
  18. 360
  19. 334
  20. 240
  21. 385
  22. 400
  23. 275
  24. 300
  25. 35
  26. 88
  27. 260
  28. 72
  29. 360
  30. 390
  31. 112
  32. 280
  33. 70
  34. 220
  35. 140
  36. 15
  37. 70
  38. 125
  39. 85
  40. 350

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