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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 186 · 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.

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  1. 1.5% of a number is 18. What is the number?
  2. 2.Kabir spent ₹15, which is 25% of the pocket money. How much pocket money did Kabir have, in rupees?
  3. 3.25% of a number is 11. What is the number?
  4. 4.Isha spent ₹39, which is 60% of the pocket money. How much pocket money did Isha have, in rupees?
  5. 5.70 is 25% of ?
  6. 6.Arjun spent ₹43, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  7. 7.Rohan spent ₹15, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  8. 8.Sara spent ₹49, which is 25% of the pocket money. How much pocket money did Sara have, in rupees?
  9. 9.Anaya spent ₹260, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  10. 10.Kabir spent ₹64, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  11. 11.5 is 10% of ?
  12. 12.Anaya spent ₹36, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  13. 13.Isha spent ₹6, which is 12% of the pocket money. How much pocket money did Isha have, in rupees?
  14. 14.67 is 25% of ?
  15. 15.22 is 40% of ?
  16. 16.50% of a number is 57. What is the number?
  17. 17.125 is 50% of ?
  18. 18.18 is 15% of ?
  19. 19.31 is 10% of ?
  20. 20.9 is 15% of ?
  21. 21.Anaya spent ₹51, which is 60% of the pocket money. How much pocket money did Anaya have, in rupees?
  22. 22.228 is 75% of ?
  23. 23.20% of a number is 72. What is the number?
  24. 24.30% of a number is 69. What is the number?
  25. 25.Rohan spent ₹44, which is 25% of the pocket money. How much pocket money did Rohan have, in rupees?
  26. 26.50% of a number is 172. What is the number?
  27. 27.236 is 80% of ?
  28. 28.40 is 10% of ?
  29. 29.5% of a number is 12. What is the number?
  30. 30.75% of a number is 57. What is the number?
  31. 31.Meera spent ₹66, which is 50% of the pocket money. How much pocket money did Meera have, in rupees?
  32. 32.24 is 10% of ?
  33. 33.30% of a number is 84. What is the number?
  34. 34.12 is 10% of ?
  35. 35.Kabir spent ₹24, which is 12% of the pocket money. How much pocket money did Kabir have, in rupees?
  36. 36.48 is 12% of ?
  37. 37.Riya spent ₹165, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  38. 38.30% of a number is 45. What is the number?
  39. 39.Sara spent ₹10, which is 5% of the pocket money. How much pocket money did Sara have, in rupees?
  40. 40.Dev spent ₹51, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?

Answer key

  1. 360
  2. 60
  3. 44
  4. 65
  5. 280
  6. 172
  7. 100
  8. 196
  9. 325
  10. 80
  11. 50
  12. 300
  13. 50
  14. 268
  15. 55
  16. 114
  17. 250
  18. 120
  19. 310
  20. 60
  21. 85
  22. 304
  23. 360
  24. 230
  25. 176
  26. 344
  27. 295
  28. 400
  29. 240
  30. 76
  31. 132
  32. 240
  33. 280
  34. 120
  35. 200
  36. 400
  37. 220
  38. 150
  39. 200
  40. 340

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