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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 201 · 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. 1.10% of a number is 13. What is the number?
  2. 2.20% of a number is 31. What is the number?
  3. 3.24 is 15% of ?
  4. 4.Meera spent ₹76, which is 25% of the pocket money. How much pocket money did Meera have, in rupees?
  5. 5.Aarav spent ₹66, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  6. 6.Dev spent ₹74, which is 40% of the pocket money. How much pocket money did Dev have, in rupees?
  7. 7.Dev spent ₹40, which is 20% of the pocket money. How much pocket money did Dev have, in rupees?
  8. 8.12 is 80% of ?
  9. 9.80% of a number is 92. What is the number?
  10. 10.316 is 80% of ?
  11. 11.20 is 10% of ?
  12. 12.84 is 30% of ?
  13. 13.20% of a number is 67. What is the number?
  14. 14.25% of a number is 83. What is the number?
  15. 15.20% of a number is 8. What is the number?
  16. 16.60% of a number is 165. What is the number?
  17. 17.60% of a number is 120. What is the number?
  18. 18.292 is 80% of ?
  19. 19.25% of a number is 41. What is the number?
  20. 20.15% of a number is 51. What is the number?
  21. 21.36 is 25% of ?
  22. 22.84 is 50% of ?
  23. 23.Diya spent ₹48, which is 60% of the pocket money. How much pocket money did Diya have, in rupees?
  24. 24.Riya spent ₹87, which is 75% of the pocket money. How much pocket money did Riya have, in rupees?
  25. 25.80% of a number is 108. What is the number?
  26. 26.Aarav spent ₹84, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  27. 27.Anaya spent ₹27, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?
  28. 28.60% of a number is 141. What is the number?
  29. 29.Arjun spent ₹24, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  30. 30.Diya spent ₹12, which is 15% of the pocket money. How much pocket money did Diya have, in rupees?
  31. 31.50% of a number is 7. What is the number?
  32. 32.26 is 10% of ?
  33. 33.20% of a number is 45. What is the number?
  34. 34.50% of a number is 129. What is the number?
  35. 35.60% of a number is 207. What is the number?
  36. 36.12 is 10% of ?
  37. 37.40% of a number is 102. What is the number?
  38. 38.5 is 10% of ?
  39. 39.Diya spent ₹2, which is 5% of the pocket money. How much pocket money did Diya have, in rupees?
  40. 40.Anaya spent ₹6, which is 15% of the pocket money. How much pocket money did Anaya have, in rupees?

Answer key

  1. 130
  2. 155
  3. 160
  4. 304
  5. 88
  6. 185
  7. 200
  8. 15
  9. 115
  10. 395
  11. 200
  12. 280
  13. 335
  14. 332
  15. 40
  16. 275
  17. 200
  18. 365
  19. 164
  20. 340
  21. 144
  22. 168
  23. 80
  24. 116
  25. 135
  26. 105
  27. 180
  28. 235
  29. 40
  30. 80
  31. 14
  32. 260
  33. 225
  34. 258
  35. 345
  36. 120
  37. 255
  38. 50
  39. 40
  40. 40

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