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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 971 · 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.Anaya spent ₹6, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  2. 2.Meera spent ₹14, which is 10% of the pocket money. How much pocket money did Meera have, in rupees?
  3. 3.22 is 40% of ?
  4. 4.Rohan spent ₹65, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  5. 5.30 is 12% of ?
  6. 6.Sara spent ₹96, which is 30% of the pocket money. How much pocket money did Sara have, in rupees?
  7. 7.87 is 60% of ?
  8. 8.56 is 20% of ?
  9. 9.Isha spent ₹15, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  10. 10.20% of a number is 34. What is the number?
  11. 11.12% of a number is 15. What is the number?
  12. 12.120 is 30% of ?
  13. 13.55 is 25% of ?
  14. 14.10% of a number is 18. What is the number?
  15. 15.50% of a number is 162. What is the number?
  16. 16.15 is 5% of ?
  17. 17.5% of a number is 17. What is the number?
  18. 18.11 is 20% of ?
  19. 19.159 is 50% of ?
  20. 20.Dev spent ₹7, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  21. 21.81 is 75% of ?
  22. 22.66 is 20% of ?
  23. 23.Diya spent ₹276, which is 80% of the pocket money. How much pocket money did Diya have, in rupees?
  24. 24.Riya spent ₹21, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.Riya spent ₹66, which is 60% of the pocket money. How much pocket money did Riya have, in rupees?
  26. 26.7 is 5% of ?
  27. 27.12% of a number is 33. What is the number?
  28. 28.50% of a number is 50. What is the number?
  29. 29.25% of a number is 27. What is the number?
  30. 30.195 is 75% of ?
  31. 31.40% of a number is 28. What is the number?
  32. 32.24 is 25% of ?
  33. 33.Anaya spent ₹58, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  34. 34.50% of a number is 77. What is the number?
  35. 35.40% of a number is 136. What is the number?
  36. 36.Ishaan spent ₹139, which is 50% of the pocket money. How much pocket money did Ishaan have, in rupees?
  37. 37.131 is 50% of ?
  38. 38.Arjun spent ₹8, which is 80% of the pocket money. How much pocket money did Arjun have, in rupees?
  39. 39.6 is 12% of ?
  40. 40.5% of a number is 11. What is the number?

Answer key

  1. 50
  2. 140
  3. 55
  4. 130
  5. 250
  6. 320
  7. 145
  8. 280
  9. 75
  10. 170
  11. 125
  12. 400
  13. 220
  14. 180
  15. 324
  16. 300
  17. 340
  18. 55
  19. 318
  20. 35
  21. 108
  22. 330
  23. 345
  24. 70
  25. 110
  26. 140
  27. 275
  28. 100
  29. 108
  30. 260
  31. 70
  32. 96
  33. 290
  34. 154
  35. 340
  36. 278
  37. 262
  38. 10
  39. 50
  40. 220

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