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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 652 · 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. 1.5% of a number is 18. What is the number?
  2. 2.Riya spent ₹87, which is 30% of the pocket money. How much pocket money did Riya have, in rupees?
  3. 3.30% of a number is 33. What is the number?
  4. 4.7 is 10% of ?
  5. 5.Ishaan spent ₹24, which is 15% of the pocket money. How much pocket money did Ishaan have, in rupees?
  6. 6.Meera spent ₹33, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  7. 7.83 is 50% of ?
  8. 8.15% of a number is 33. What is the number?
  9. 9.76 is 80% of ?
  10. 10.45 is 12% of ?
  11. 11.10% of a number is 22. What is the number?
  12. 12.Anaya spent ₹17, which is 25% of the pocket money. How much pocket money did Anaya have, in rupees?
  13. 13.12% of a number is 45. What is the number?
  14. 14.Isha spent ₹58, which is 40% of the pocket money. How much pocket money did Isha have, in rupees?
  15. 15.Riya spent ₹3, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  16. 16.Diya spent ₹79, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  17. 17.Meera spent ₹3, which is 12% of the pocket money. How much pocket money did Meera have, in rupees?
  18. 18.Meera spent ₹28, which is 40% of the pocket money. How much pocket money did Meera have, in rupees?
  19. 19.30 is 60% of ?
  20. 20.10% of a number is 5. What is the number?
  21. 21.36 is 12% of ?
  22. 22.55 is 25% of ?
  23. 23.25% of a number is 98. What is the number?
  24. 24.48 is 12% of ?
  25. 25.18 is 30% of ?
  26. 26.20% of a number is 46. What is the number?
  27. 27.25% of a number is 28. What is the number?
  28. 28.Ishaan spent ₹237, which is 75% of the pocket money. How much pocket money did Ishaan have, in rupees?
  29. 29.Ishaan spent ₹3, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  30. 30.Meera spent ₹248, which is 80% of the pocket money. How much pocket money did Meera have, in rupees?
  31. 31.60 is 20% of ?
  32. 32.30% of a number is 3. What is the number?
  33. 33.78 is 25% of ?
  34. 34.Diya spent ₹59, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  35. 35.102 is 30% of ?
  36. 36.109 is 50% of ?
  37. 37.34 is 25% of ?
  38. 38.20% of a number is 31. What is the number?
  39. 39.36 is 30% of ?
  40. 40.Kabir spent ₹176, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?

Answer key

  1. 360
  2. 290
  3. 110
  4. 70
  5. 160
  6. 110
  7. 166
  8. 220
  9. 95
  10. 375
  11. 220
  12. 68
  13. 375
  14. 145
  15. 30
  16. 316
  17. 25
  18. 70
  19. 50
  20. 50
  21. 300
  22. 220
  23. 392
  24. 400
  25. 60
  26. 230
  27. 112
  28. 316
  29. 60
  30. 310
  31. 300
  32. 10
  33. 312
  34. 236
  35. 340
  36. 218
  37. 136
  38. 155
  39. 120
  40. 220

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