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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 392 · 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. 1.17 is 10% of ?
  2. 2.Diya spent ₹36, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  3. 3.12% of a number is 39. What is the number?
  4. 4.40% of a number is 32. What is the number?
  5. 5.Rohan spent ₹21, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  6. 6.Isha spent ₹48, which is 25% of the pocket money. How much pocket money did Isha have, in rupees?
  7. 7.75 is 20% of ?
  8. 8.30 is 10% of ?
  9. 9.20% of a number is 27. What is the number?
  10. 10.11 is 5% of ?
  11. 11.20% of a number is 25. What is the number?
  12. 12.Anaya spent ₹24, which is 30% of the pocket money. How much pocket money did Anaya have, in rupees?
  13. 13.30 is 30% of ?
  14. 14.30% of a number is 42. What is the number?
  15. 15.40% of a number is 122. What is the number?
  16. 16.27 is 15% of ?
  17. 17.60% of a number is 93. What is the number?
  18. 18.188 is 80% of ?
  19. 19.60% of a number is 99. What is the number?
  20. 20.20 is 20% of ?
  21. 21.30% of a number is 24. What is the number?
  22. 22.Riya spent ₹99, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  23. 23.50% of a number is 53. What is the number?
  24. 24.15% of a number is 6. What is the number?
  25. 25.10% of a number is 6. What is the number?
  26. 26.36 is 25% of ?
  27. 27.285 is 75% of ?
  28. 28.7 is 10% of ?
  29. 29.Sara spent ₹66, which is 40% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.75% of a number is 60. What is the number?
  31. 31.25% of a number is 3. What is the number?
  32. 32.75% of a number is 279. What is the number?
  33. 33.14 is 5% of ?
  34. 34.12 is 12% of ?
  35. 35.42 is 30% of ?
  36. 36.15 is 12% of ?
  37. 37.Diya spent ₹91, which is 50% of the pocket money. How much pocket money did Diya have, in rupees?
  38. 38.50% of a number is 13. What is the number?
  39. 39.25% of a number is 85. What is the number?
  40. 40.75% of a number is 225. What is the number?

Answer key

  1. 170
  2. 48
  3. 325
  4. 80
  5. 28
  6. 192
  7. 375
  8. 300
  9. 135
  10. 220
  11. 125
  12. 80
  13. 100
  14. 140
  15. 305
  16. 180
  17. 155
  18. 235
  19. 165
  20. 100
  21. 80
  22. 198
  23. 106
  24. 40
  25. 60
  26. 144
  27. 380
  28. 70
  29. 165
  30. 80
  31. 12
  32. 372
  33. 280
  34. 100
  35. 140
  36. 125
  37. 182
  38. 26
  39. 340
  40. 300

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