← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 190 · 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. 1.75% of a number is 39. What is the number?
  2. 2.Sara spent ₹9, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  3. 3.Kabir spent ₹7, which is 10% of the pocket money. How much pocket money did Kabir have, in rupees?
  4. 4.10% of a number is 20. What is the number?
  5. 5.Arjun spent ₹138, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.77 is 20% of ?
  7. 7.15% of a number is 60. What is the number?
  8. 8.10% of a number is 34. What is the number?
  9. 9.Meera spent ₹51, which is 15% of the pocket money. How much pocket money did Meera have, in rupees?
  10. 10.20% of a number is 18. What is the number?
  11. 11.111 is 30% of ?
  12. 12.1 is 5% of ?
  13. 13.30% of a number is 24. What is the number?
  14. 14.Kabir spent ₹39, which is 15% of the pocket money. How much pocket money did Kabir have, in rupees?
  15. 15.12 is 10% of ?
  16. 16.198 is 75% of ?
  17. 17.40% of a number is 126. What is the number?
  18. 18.50% of a number is 117. What is the number?
  19. 19.30 is 10% of ?
  20. 20.20% of a number is 59. What is the number?
  21. 21.60% of a number is 162. What is the number?
  22. 22.Ishaan spent ₹18, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  23. 23.20% of a number is 73. What is the number?
  24. 24.36 is 10% of ?
  25. 25.Kabir spent ₹51, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  26. 26.12 is 5% of ?
  27. 27.Rohan spent ₹8, which is 80% of the pocket money. How much pocket money did Rohan have, in rupees?
  28. 28.12% of a number is 33. What is the number?
  29. 29.25% of a number is 36. What is the number?
  30. 30.Anaya spent ₹24, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  31. 31.Aarav spent ₹316, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  32. 32.14 is 25% of ?
  33. 33.40% of a number is 12. What is the number?
  34. 34.Rohan spent ₹39, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.75% of a number is 207. What is the number?
  36. 36.20% of a number is 6. What is the number?
  37. 37.21 is 30% of ?
  38. 38.146 is 50% of ?
  39. 39.Riya spent ₹13, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  40. 40.Rohan spent ₹37, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?

Answer key

  1. 52
  2. 30
  3. 70
  4. 200
  5. 276
  6. 385
  7. 400
  8. 340
  9. 340
  10. 90
  11. 370
  12. 20
  13. 80
  14. 260
  15. 120
  16. 264
  17. 315
  18. 234
  19. 300
  20. 295
  21. 270
  22. 30
  23. 365
  24. 360
  25. 85
  26. 240
  27. 10
  28. 275
  29. 144
  30. 200
  31. 395
  32. 56
  33. 30
  34. 195
  35. 276
  36. 30
  37. 70
  38. 292
  39. 26
  40. 74

Free percentage lessons, practice and worksheets at talentjr.in/how-to-calculate-percentage