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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 78 · 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. 1.76 is 25% of ?
  2. 2.20% of a number is 75. What is the number?
  3. 3.15% of a number is 6. What is the number?
  4. 4.Ishaan spent ₹39, which is 20% of the pocket money. How much pocket money did Ishaan have, in rupees?
  5. 5.Kabir spent ₹216, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  6. 6.20% of a number is 8. What is the number?
  7. 7.Arjun spent ₹264, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  8. 8.32 is 10% of ?
  9. 9.Dev spent ₹68, which is 80% of the pocket money. How much pocket money did Dev have, in rupees?
  10. 10.12% of a number is 42. What is the number?
  11. 11.100 is 25% of ?
  12. 12.5% of a number is 8. What is the number?
  13. 13.10% of a number is 8. What is the number?
  14. 14.25% of a number is 46. What is the number?
  15. 15.Anaya spent ₹30, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  16. 16.18 is 10% of ?
  17. 17.Isha spent ₹76, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  18. 18.4 is 20% of ?
  19. 19.Riya spent ₹58, which is 25% of the pocket money. How much pocket money did Riya have, in rupees?
  20. 20.Meera spent ₹69, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  21. 21.50% of a number is 58. What is the number?
  22. 22.60% of a number is 60. What is the number?
  23. 23.25% of a number is 2. What is the number?
  24. 24.Arjun spent ₹94, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  25. 25.75% of a number is 207. What is the number?
  26. 26.40% of a number is 52. What is the number?
  27. 27.Rohan spent ₹243, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  28. 28.Dev spent ₹54, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  29. 29.80% of a number is 44. What is the number?
  30. 30.102 is 50% of ?
  31. 31.75% of a number is 51. What is the number?
  32. 32.40% of a number is 70. What is the number?
  33. 33.Diya spent ₹25, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  34. 34.25% of a number is 79. What is the number?
  35. 35.123 is 50% of ?
  36. 36.210 is 75% of ?
  37. 37.Aarav spent ₹7, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  38. 38.Sara spent ₹57, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  39. 39.40% of a number is 134. What is the number?
  40. 40.80% of a number is 252. What is the number?

Answer key

  1. 304
  2. 375
  3. 40
  4. 195
  5. 360
  6. 40
  7. 352
  8. 320
  9. 85
  10. 350
  11. 400
  12. 160
  13. 80
  14. 184
  15. 200
  16. 180
  17. 304
  18. 20
  19. 232
  20. 276
  21. 116
  22. 100
  23. 8
  24. 235
  25. 276
  26. 130
  27. 324
  28. 180
  29. 55
  30. 204
  31. 68
  32. 175
  33. 100
  34. 316
  35. 246
  36. 280
  37. 70
  38. 380
  39. 335
  40. 315

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