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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 943 · 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. 1.20% of a number is 14. What is the number?
  2. 2.38 is 10% of ?
  3. 3.75% of a number is 234. What is the number?
  4. 4.Kabir spent ₹49, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  5. 5.30% of a number is 51. What is the number?
  6. 6.15% of a number is 39. What is the number?
  7. 7.Anaya spent ₹39, which is 10% of the pocket money. How much pocket money did Anaya have, in rupees?
  8. 8.19 is 50% of ?
  9. 9.3 is 12% of ?
  10. 10.15% of a number is 9. What is the number?
  11. 11.12 is 10% of ?
  12. 12.25% of a number is 4. What is the number?
  13. 13.Aarav spent ₹48, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  14. 14.30% of a number is 96. What is the number?
  15. 15.15 is 12% of ?
  16. 16.48 is 15% of ?
  17. 17.5% of a number is 2. What is the number?
  18. 18.10% of a number is 11. What is the number?
  19. 19.Rohan spent ₹136, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  20. 20.Dev spent ₹21, which is 10% of the pocket money. How much pocket money did Dev have, in rupees?
  21. 21.Diya spent ₹172, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  22. 22.Riya spent ₹33, which is 15% of the pocket money. How much pocket money did Riya have, in rupees?
  23. 23.30% of a number is 36. What is the number?
  24. 24.100 is 80% of ?
  25. 25.Diya spent ₹105, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  26. 26.Ishaan spent ₹21, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  27. 27.Kabir spent ₹25, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  28. 28.60% of a number is 141. What is the number?
  29. 29.25% of a number is 15. What is the number?
  30. 30.Riya spent ₹111, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  31. 31.10% of a number is 34. What is the number?
  32. 32.80% of a number is 292. What is the number?
  33. 33.Aarav spent ₹123, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  34. 34.51 is 30% of ?
  35. 35.75% of a number is 33. What is the number?
  36. 36.Riya spent ₹308, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?
  37. 37.2 is 10% of ?
  38. 38.12% of a number is 9. What is the number?
  39. 39.Arjun spent ₹102, which is 75% of the pocket money. How much pocket money did Arjun have, in rupees?
  40. 40.21 is 30% of ?

Answer key

  1. 70
  2. 380
  3. 312
  4. 196
  5. 170
  6. 260
  7. 390
  8. 38
  9. 25
  10. 60
  11. 120
  12. 16
  13. 400
  14. 320
  15. 125
  16. 320
  17. 40
  18. 110
  19. 170
  20. 210
  21. 215
  22. 220
  23. 120
  24. 125
  25. 350
  26. 175
  27. 100
  28. 235
  29. 60
  30. 370
  31. 340
  32. 365
  33. 164
  34. 170
  35. 44
  36. 385
  37. 20
  38. 75
  39. 136
  40. 70

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