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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 732 · 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.Meera spent ₹4, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  2. 2.10% of a number is 4. What is the number?
  3. 3.5% of a number is 3. What is the number?
  4. 4.Rohan spent ₹68, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  5. 5.108 is 80% of ?
  6. 6.133 is 50% of ?
  7. 7.75% of a number is 27. What is the number?
  8. 8.74 is 25% of ?
  9. 9.Arjun spent ₹98, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  10. 10.Dev spent ₹19, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  11. 11.Sara spent ₹96, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  12. 12.Ishaan spent ₹84, which is 30% of the pocket money. How much pocket money did Ishaan have, in rupees?
  13. 13.68 is 20% of ?
  14. 14.Rohan spent ₹36, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.75% of a number is 3. What is the number?
  16. 16.5% of a number is 16. What is the number?
  17. 17.Diya spent ₹174, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  18. 18.Riya spent ₹101, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.84 is 30% of ?
  20. 20.Isha spent ₹9, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.156 is 75% of ?
  22. 22.Aarav spent ₹45, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  23. 23.30% of a number is 42. What is the number?
  24. 24.Sara spent ₹21, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  25. 25.10% of a number is 26. What is the number?
  26. 26.8 is 5% of ?
  27. 27.74 is 20% of ?
  28. 28.10% of a number is 10. What is the number?
  29. 29.Ishaan spent ₹3, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  30. 30.207 is 75% of ?
  31. 31.6 is 30% of ?
  32. 32.Isha spent ₹114, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  33. 33.40% of a number is 134. What is the number?
  34. 34.Anaya spent ₹33, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  35. 35.75% of a number is 36. What is the number?
  36. 36.25% of a number is 75. What is the number?
  37. 37.30% of a number is 54. What is the number?
  38. 38.Dev spent ₹20, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  39. 39.56 is 80% of ?
  40. 40.Riya spent ₹12, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 40
  2. 40
  3. 60
  4. 340
  5. 135
  6. 266
  7. 36
  8. 296
  9. 245
  10. 95
  11. 320
  12. 280
  13. 340
  14. 48
  15. 4
  16. 320
  17. 232
  18. 202
  19. 280
  20. 75
  21. 208
  22. 300
  23. 140
  24. 42
  25. 260
  26. 160
  27. 370
  28. 100
  29. 4
  30. 276
  31. 20
  32. 285
  33. 335
  34. 220
  35. 48
  36. 300
  37. 180
  38. 200
  39. 70
  40. 240

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