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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 610 · 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. 1.60% of a number is 132. What is the number?
  2. 2.Kabir spent ₹99, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  3. 3.50% of a number is 133. What is the number?
  4. 4.27 is 15% of ?
  5. 5.261 is 75% of ?
  6. 6.10% of a number is 30. What is the number?
  7. 7.Ishaan spent ₹45, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.7 is 20% of ?
  9. 9.Anaya spent ₹31, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  10. 10.Rohan spent ₹12, which is 12% of the pocket money. How much pocket money did Rohan have, in rupees?
  11. 11.5% of a number is 1. What is the number?
  12. 12.20% of a number is 66. What is the number?
  13. 13.148 is 40% of ?
  14. 14.Kabir spent ₹27, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.Rohan spent ₹16, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  16. 16.Dev spent ₹7, which is 25% of the pocket money. How much pocket money did Dev have, in rupees?
  17. 17.Kabir spent ₹65, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  18. 18.30% of a number is 87. What is the number?
  19. 19.25% of a number is 89. What is the number?
  20. 20.156 is 40% of ?
  21. 21.Isha spent ₹9, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  22. 22.Rohan spent ₹45, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  23. 23.24 is 12% of ?
  24. 24.60% of a number is 15. What is the number?
  25. 25.4 is 5% of ?
  26. 26.20% of a number is 72. What is the number?
  27. 27.10% of a number is 6. What is the number?
  28. 28.Anaya spent ₹13, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  29. 29.1 is 5% of ?
  30. 30.4 is 80% of ?
  31. 31.24 is 10% of ?
  32. 32.147 is 60% of ?
  33. 33.106 is 40% of ?
  34. 34.25% of a number is 70. What is the number?
  35. 35.Kabir spent ₹79, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  36. 36.150 is 50% of ?
  37. 37.12% of a number is 6. What is the number?
  38. 38.Ishaan spent ₹69, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.16 is 25% of ?
  40. 40.6 is 60% of ?

Answer key

  1. 220
  2. 165
  3. 266
  4. 180
  5. 348
  6. 300
  7. 375
  8. 35
  9. 124
  10. 100
  11. 20
  12. 330
  13. 370
  14. 45
  15. 64
  16. 28
  17. 325
  18. 290
  19. 356
  20. 390
  21. 75
  22. 225
  23. 200
  24. 25
  25. 80
  26. 360
  27. 60
  28. 260
  29. 20
  30. 5
  31. 240
  32. 245
  33. 265
  34. 280
  35. 395
  36. 300
  37. 50
  38. 276
  39. 64
  40. 10

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