← Find the whole from a percent lesson New set →

Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 215 · 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. 1.60% of a number is 189. What is the number?
  2. 2.10 is 40% of ?
  3. 3.27 is 25% of ?
  4. 4.15% of a number is 51. What is the number?
  5. 5.Anaya spent ₹212, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  6. 6.Kabir spent ₹88, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  7. 7.80% of a number is 212. What is the number?
  8. 8.75% of a number is 75. What is the number?
  9. 9.Riya spent ₹153, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  10. 10.20% of a number is 16. What is the number?
  11. 11.15% of a number is 3. What is the number?
  12. 12.5 is 20% of ?
  13. 13.Dev spent ₹156, which is 50% of the pocket money. How much pocket money did Dev have, in rupees?
  14. 14.Meera spent ₹11, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  15. 15.15% of a number is 18. What is the number?
  16. 16.5% of a number is 5. What is the number?
  17. 17.Isha spent ₹22, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  18. 18.Riya spent ₹37, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.40% of a number is 156. What is the number?
  20. 20.Sara spent ₹42, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  21. 21.10% of a number is 29. What is the number?
  22. 22.158 is 40% of ?
  23. 23.Kabir spent ₹268, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  24. 24.70 is 40% of ?
  25. 25.37 is 10% of ?
  26. 26.92 is 50% of ?
  27. 27.50% of a number is 2. What is the number?
  28. 28.Kabir spent ₹27, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  29. 29.9 is 30% of ?
  30. 30.21 is 30% of ?
  31. 31.Aarav spent ₹12, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  32. 32.Kabir spent ₹82, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  33. 33.12 is 5% of ?
  34. 34.12% of a number is 36. What is the number?
  35. 35.Meera spent ₹75, which is 20% of the pocket money. How much pocket money did Meera have, in rupees?
  36. 36.12% of a number is 45. What is the number?
  37. 37.Riya spent ₹15, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.Aarav spent ₹124, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  39. 39.Sara spent ₹210, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  40. 40.Dev spent ₹24, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 315
  2. 25
  3. 108
  4. 340
  5. 265
  6. 220
  7. 265
  8. 100
  9. 306
  10. 80
  11. 20
  12. 25
  13. 312
  14. 220
  15. 120
  16. 100
  17. 44
  18. 370
  19. 390
  20. 350
  21. 290
  22. 395
  23. 335
  24. 175
  25. 370
  26. 184
  27. 4
  28. 135
  29. 30
  30. 70
  31. 100
  32. 328
  33. 240
  34. 300
  35. 375
  36. 375
  37. 50
  38. 248
  39. 280
  40. 80

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