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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 155 · 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 ₹20, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.15% of a number is 48. What is the number?
  3. 3.40% of a number is 42. What is the number?
  4. 4.30% of a number is 114. What is the number?
  5. 5.12% of a number is 39. What is the number?
  6. 6.12 is 10% of ?
  7. 7.65 is 25% of ?
  8. 8.Kabir spent ₹1, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  9. 9.50% of a number is 9. What is the number?
  10. 10.30% of a number is 12. What is the number?
  11. 11.Meera spent ₹12, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  12. 12.17 is 5% of ?
  13. 13.80% of a number is 96. What is the number?
  14. 14.12% of a number is 45. What is the number?
  15. 15.200 is 50% of ?
  16. 16.Kabir spent ₹93, which is 30% of the pocket money. How much pocket money did Kabir have, in rupees?
  17. 17.80% of a number is 216. What is the number?
  18. 18.59 is 50% of ?
  19. 19.60% of a number is 159. What is the number?
  20. 20.6 is 12% of ?
  21. 21.204 is 75% of ?
  22. 22.9 is 10% of ?
  23. 23.32 is 10% of ?
  24. 24.Dev spent ₹36, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.154 is 40% of ?
  26. 26.84 is 75% of ?
  27. 27.9 is 5% of ?
  28. 28.Arjun spent ₹61, which is 20% of the pocket money. How much pocket money did Arjun have, in rupees?
  29. 29.79 is 25% of ?
  30. 30.5% of a number is 19. What is the number?
  31. 31.75% of a number is 123. What is the number?
  32. 32.40% of a number is 144. What is the number?
  33. 33.Riya spent ₹20, which is 5% of the pocket money. How much pocket money did Riya have, in rupees?
  34. 34.3 is 75% of ?
  35. 35.80% of a number is 112. What is the number?
  36. 36.10% of a number is 10. What is the number?
  37. 37.50% of a number is 43. What is the number?
  38. 38.40 is 40% of ?
  39. 39.Riya spent ₹66, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.50% of a number is 26. What is the number?

Answer key

  1. 50
  2. 320
  3. 105
  4. 380
  5. 325
  6. 120
  7. 260
  8. 10
  9. 18
  10. 40
  11. 48
  12. 340
  13. 120
  14. 375
  15. 400
  16. 310
  17. 270
  18. 118
  19. 265
  20. 50
  21. 272
  22. 90
  23. 320
  24. 240
  25. 385
  26. 112
  27. 180
  28. 305
  29. 316
  30. 380
  31. 164
  32. 360
  33. 400
  34. 4
  35. 140
  36. 100
  37. 86
  38. 100
  39. 165
  40. 52

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