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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 301 · 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 ₹21, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  2. 2.Rohan spent ₹75, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  3. 3.60% of a number is 3. What is the number?
  4. 4.80% of a number is 252. What is the number?
  5. 5.Ishaan spent ₹72, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  6. 6.Arjun spent ₹45, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  7. 7.Isha spent ₹6, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  8. 8.6 is 12% of ?
  9. 9.30% of a number is 105. What is the number?
  10. 10.27 is 30% of ?
  11. 11.60% of a number is 192. What is the number?
  12. 12.Sara spent ₹23, which is 10% of the pocket money. How much pocket money did Sara have, in rupees?
  13. 13.21 is 30% of ?
  14. 14.Ishaan spent ₹168, which is 60% of the pocket money. How much pocket money did Ishaan have, in rupees?
  15. 15.75% of a number is 18. What is the number?
  16. 16.Ishaan spent ₹88, which is 80% of the pocket money. How much pocket money did Ishaan have, in rupees?
  17. 17.72 is 60% of ?
  18. 18.25% of a number is 40. What is the number?
  19. 19.35 is 20% of ?
  20. 20.20% of a number is 43. What is the number?
  21. 21.40% of a number is 110. What is the number?
  22. 22.88 is 40% of ?
  23. 23.120 is 40% of ?
  24. 24.Dev spent ₹162, which is 60% of the pocket money. How much pocket money did Dev have, in rupees?
  25. 25.144 is 75% of ?
  26. 26.Dev spent ₹165, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  27. 27.40% of a number is 136. What is the number?
  28. 28.50% of a number is 179. What is the number?
  29. 29.5% of a number is 10. What is the number?
  30. 30.135 is 75% of ?
  31. 31.116 is 80% of ?
  32. 32.72 is 75% of ?
  33. 33.Rohan spent ₹120, which is 60% of the pocket money. How much pocket money did Rohan have, in rupees?
  34. 34.60% of a number is 90. What is the number?
  35. 35.Arjun spent ₹252, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  36. 36.124 is 50% of ?
  37. 37.40% of a number is 158. What is the number?
  38. 38.Ishaan spent ₹11, which is 25% of the pocket money. How much pocket money did Ishaan have, in rupees?
  39. 39.126 is 50% of ?
  40. 40.15% of a number is 15. What is the number?

Answer key

  1. 175
  2. 125
  3. 5
  4. 315
  5. 90
  6. 375
  7. 40
  8. 50
  9. 350
  10. 90
  11. 320
  12. 230
  13. 70
  14. 280
  15. 24
  16. 110
  17. 120
  18. 160
  19. 175
  20. 215
  21. 275
  22. 220
  23. 300
  24. 270
  25. 192
  26. 220
  27. 340
  28. 358
  29. 200
  30. 180
  31. 145
  32. 96
  33. 200
  34. 150
  35. 315
  36. 248
  37. 395
  38. 44
  39. 252
  40. 100

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