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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 878 · 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. 1.79 is 20% of ?
  2. 2.Sara spent ₹10, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  3. 3.10% of a number is 15. What is the number?
  4. 4.40% of a number is 136. What is the number?
  5. 5.40% of a number is 106. What is the number?
  6. 6.Sara spent ₹9, which is 15% of the pocket money. How much pocket money did Sara have, in rupees?
  7. 7.20% of a number is 39. What is the number?
  8. 8.Arjun spent ₹121, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  9. 9.Sara spent ₹28, which is 20% of the pocket money. How much pocket money did Sara have, in rupees?
  10. 10.14 is 20% of ?
  11. 11.192 is 75% of ?
  12. 12.Arjun spent ₹21, which is 15% of the pocket money. How much pocket money did Arjun have, in rupees?
  13. 13.102 is 30% of ?
  14. 14.Rohan spent ₹9, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.48 is 12% of ?
  16. 16.Diya spent ₹12, which is 12% of the pocket money. How much pocket money did Diya have, in rupees?
  17. 17.11 is 5% of ?
  18. 18.30 is 10% of ?
  19. 19.60% of a number is 54. What is the number?
  20. 20.Ishaan spent ₹63, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  21. 21.Kabir spent ₹80, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  22. 22.Aarav spent ₹18, which is 20% of the pocket money. How much pocket money did Aarav have, in rupees?
  23. 23.75% of a number is 159. What is the number?
  24. 24.40 is 10% of ?
  25. 25.12 is 12% of ?
  26. 26.Dev spent ₹33, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  27. 27.186 is 75% of ?
  28. 28.Riya spent ₹94, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  29. 29.12% of a number is 18. What is the number?
  30. 30.10% of a number is 8. What is the number?
  31. 31.Sara spent ₹93, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  32. 32.180 is 75% of ?
  33. 33.Diya spent ₹20, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  34. 34.60% of a number is 57. What is the number?
  35. 35.Arjun spent ₹6, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  36. 36.12 is 15% of ?
  37. 37.79 is 50% of ?
  38. 38.148 is 40% of ?
  39. 39.75% of a number is 138. What is the number?
  40. 40.Riya spent ₹67, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 395
  2. 25
  3. 150
  4. 340
  5. 265
  6. 60
  7. 195
  8. 242
  9. 140
  10. 70
  11. 256
  12. 140
  13. 340
  14. 60
  15. 400
  16. 100
  17. 220
  18. 300
  19. 90
  20. 105
  21. 400
  22. 90
  23. 212
  24. 400
  25. 100
  26. 44
  27. 248
  28. 235
  29. 150
  30. 80
  31. 155
  32. 240
  33. 80
  34. 95
  35. 20
  36. 80
  37. 158
  38. 370
  39. 184
  40. 335

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