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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 755 · 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.Ishaan spent ₹8, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  2. 2.33 is 30% of ?
  3. 3.Aarav spent ₹38, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.10% of a number is 39. What is the number?
  5. 5.120 is 30% of ?
  6. 6.Meera spent ₹18, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.Diya spent ₹1, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  8. 8.292 is 80% of ?
  9. 9.3 is 5% of ?
  10. 10.Riya spent ₹64, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  11. 11.9 is 20% of ?
  12. 12.30% of a number is 120. What is the number?
  13. 13.Arjun spent ₹84, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  14. 14.165 is 50% of ?
  15. 15.25% of a number is 26. What is the number?
  16. 16.Aarav spent ₹105, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  17. 17.320 is 80% of ?
  18. 18.3 is 10% of ?
  19. 19.5 is 5% of ?
  20. 20.147 is 60% of ?
  21. 21.Aarav spent ₹18, which is 5% of the pocket money. How much pocket money did Aarav have, in rupees?
  22. 22.6 is 12% of ?
  23. 23.Diya spent ₹129, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  24. 24.5% of a number is 17. What is the number?
  25. 25.75% of a number is 291. What is the number?
  26. 26.Aarav spent ₹16, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  27. 27.19 is 20% of ?
  28. 28.75% of a number is 3. What is the number?
  29. 29.Dev spent ₹147, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  30. 30.43 is 25% of ?
  31. 31.30% of a number is 18. What is the number?
  32. 32.25 is 10% of ?
  33. 33.80% of a number is 320. What is the number?
  34. 34.140 is 50% of ?
  35. 35.Diya spent ₹117, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  36. 36.35 is 10% of ?
  37. 37.246 is 75% of ?
  38. 38.10% of a number is 33. What is the number?
  39. 39.Anaya spent ₹51, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  40. 40.50% of a number is 74. What is the number?

Answer key

  1. 16
  2. 110
  3. 380
  4. 390
  5. 400
  6. 360
  7. 2
  8. 365
  9. 60
  10. 320
  11. 45
  12. 400
  13. 210
  14. 330
  15. 104
  16. 350
  17. 400
  18. 30
  19. 100
  20. 245
  21. 360
  22. 50
  23. 215
  24. 340
  25. 388
  26. 20
  27. 95
  28. 4
  29. 196
  30. 172
  31. 60
  32. 250
  33. 400
  34. 280
  35. 195
  36. 350
  37. 328
  38. 330
  39. 340
  40. 148

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