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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 714 · 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. 1.3 is 20% of ?
  2. 2.32 is 80% of ?
  3. 3.Aarav spent ₹19, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  4. 4.159 is 50% of ?
  5. 5.18 is 40% of ?
  6. 6.Diya spent ₹87, which is 30% of the pocket money. How much pocket money did Diya have, in rupees?
  7. 7.25% of a number is 72. What is the number?
  8. 8.Kabir spent ₹65, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  9. 9.88 is 80% of ?
  10. 10.Anaya spent ₹18, which is 40% of the pocket money. How much pocket money did Anaya have, in rupees?
  11. 11.21 is 10% of ?
  12. 12.42 is 12% of ?
  13. 13.Anaya spent ₹72, which is 80% of the pocket money. How much pocket money did Anaya have, in rupees?
  14. 14.Dev spent ₹21, which is 15% of the pocket money. How much pocket money did Dev have, in rupees?
  15. 15.Diya spent ₹207, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  16. 16.84 is 30% of ?
  17. 17.279 is 75% of ?
  18. 18.22 is 10% of ?
  19. 19.3 is 5% of ?
  20. 20.72 is 50% of ?
  21. 21.Kabir spent ₹17, which is 5% of the pocket money. How much pocket money did Kabir have, in rupees?
  22. 22.30% of a number is 12. What is the number?
  23. 23.192 is 60% of ?
  24. 24.20% of a number is 66. What is the number?
  25. 25.Dev spent ₹237, which is 75% of the pocket money. How much pocket money did Dev have, in rupees?
  26. 26.Riya spent ₹9, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  27. 27.10% of a number is 4. What is the number?
  28. 28.60% of a number is 168. What is the number?
  29. 29.Sara spent ₹120, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  30. 30.Aarav spent ₹10, which is 25% of the pocket money. How much pocket money did Aarav have, in rupees?
  31. 31.10% of a number is 34. What is the number?
  32. 32.Anaya spent ₹30, which is 12% of the pocket money. How much pocket money did Anaya have, in rupees?
  33. 33.Arjun spent ₹36, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  34. 34.Meera spent ₹11, which is 5% of the pocket money. How much pocket money did Meera have, in rupees?
  35. 35.80% of a number is 80. What is the number?
  36. 36.Arjun spent ₹62, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  37. 37.10% of a number is 6. What is the number?
  38. 38.8 is 10% of ?
  39. 39.25% of a number is 20. What is the number?
  40. 40.10% of a number is 37. What is the number?

Answer key

  1. 15
  2. 40
  3. 76
  4. 318
  5. 45
  6. 290
  7. 288
  8. 325
  9. 110
  10. 45
  11. 210
  12. 350
  13. 90
  14. 140
  15. 276
  16. 280
  17. 372
  18. 220
  19. 60
  20. 144
  21. 340
  22. 40
  23. 320
  24. 330
  25. 316
  26. 45
  27. 40
  28. 280
  29. 160
  30. 40
  31. 340
  32. 250
  33. 144
  34. 220
  35. 100
  36. 155
  37. 60
  38. 80
  39. 80
  40. 370

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