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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 853 · 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. 1.25% of a number is 89. What is the number?
  2. 2.Arjun spent ₹161, which is 50% of the pocket money. How much pocket money did Arjun have, in rupees?
  3. 3.Riya spent ₹46, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  4. 4.75% of a number is 255. What is the number?
  5. 5.Kabir spent ₹16, which is 80% of the pocket money. How much pocket money did Kabir have, in rupees?
  6. 6.Sara spent ₹51, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  7. 7.40% of a number is 114. What is the number?
  8. 8.Sara spent ₹63, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  9. 9.Aarav spent ₹15, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  10. 10.268 is 80% of ?
  11. 11.18 is 40% of ?
  12. 12.Ishaan spent ₹26, which is 40% of the pocket money. How much pocket money did Ishaan have, in rupees?
  13. 13.10% of a number is 4. What is the number?
  14. 14.25% of a number is 46. What is the number?
  15. 15.Diya spent ₹12, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  16. 16.273 is 75% of ?
  17. 17.50% of a number is 88. What is the number?
  18. 18.12 is 10% of ?
  19. 19.60% of a number is 228. What is the number?
  20. 20.Isha spent ₹177, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  21. 21.Riya spent ₹34, which is 50% of the pocket money. How much pocket money did Riya have, in rupees?
  22. 22.25% of a number is 43. What is the number?
  23. 23.39 is 15% of ?
  24. 24.222 is 60% of ?
  25. 25.Isha spent ₹17, which is 10% of the pocket money. How much pocket money did Isha have, in rupees?
  26. 26.138 is 40% of ?
  27. 27.Aarav spent ₹9, which is 12% of the pocket money. How much pocket money did Aarav have, in rupees?
  28. 28.15% of a number is 27. What is the number?
  29. 29.53 is 20% of ?
  30. 30.30 is 15% of ?
  31. 31.246 is 75% of ?
  32. 32.60% of a number is 117. What is the number?
  33. 33.33 is 30% of ?
  34. 34.Dev spent ₹6, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  35. 35.64 is 80% of ?
  36. 36.5% of a number is 14. What is the number?
  37. 37.60% of a number is 3. What is the number?
  38. 38.Rohan spent ₹28, which is 40% of the pocket money. How much pocket money did Rohan have, in rupees?
  39. 39.27 is 20% of ?
  40. 40.Riya spent ₹12, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 356
  2. 322
  3. 92
  4. 340
  5. 20
  6. 85
  7. 285
  8. 105
  9. 50
  10. 335
  11. 45
  12. 65
  13. 40
  14. 184
  15. 80
  16. 364
  17. 176
  18. 120
  19. 380
  20. 354
  21. 68
  22. 172
  23. 260
  24. 370
  25. 170
  26. 345
  27. 75
  28. 180
  29. 265
  30. 200
  31. 328
  32. 195
  33. 110
  34. 20
  35. 80
  36. 280
  37. 5
  38. 70
  39. 135
  40. 16

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