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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 665 · 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 11. What is the number?
  2. 2.Arjun spent ₹153, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?
  3. 3.5% of a number is 10. What is the number?
  4. 4.15% of a number is 33. What is the number?
  5. 5.148 is 50% of ?
  6. 6.Sara spent ₹9, which is 12% of the pocket money. How much pocket money did Sara have, in rupees?
  7. 7.75% of a number is 300. What is the number?
  8. 8.5% of a number is 14. What is the number?
  9. 9.36 is 50% of ?
  10. 10.21 is 15% of ?
  11. 11.80% of a number is 132. What is the number?
  12. 12.148 is 80% of ?
  13. 13.22 is 20% of ?
  14. 14.104 is 40% of ?
  15. 15.5% of a number is 20. What is the number?
  16. 16.153 is 50% of ?
  17. 17.14 is 10% of ?
  18. 18.50% of a number is 81. What is the number?
  19. 19.50 is 50% of ?
  20. 20.Rohan spent ₹231, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  21. 21.60% of a number is 60. What is the number?
  22. 22.Aarav spent ₹90, which is 75% of the pocket money. How much pocket money did Aarav have, in rupees?
  23. 23.50% of a number is 196. What is the number?
  24. 24.40 is 40% of ?
  25. 25.Diya spent ₹70, which is 40% of the pocket money. How much pocket money did Diya have, in rupees?
  26. 26.75% of a number is 228. What is the number?
  27. 27.10% of a number is 21. What is the number?
  28. 28.40% of a number is 16. What is the number?
  29. 29.Kabir spent ₹63, which is 20% of the pocket money. How much pocket money did Kabir have, in rupees?
  30. 30.8 is 10% of ?
  31. 31.Anaya spent ₹6, which is 5% of the pocket money. How much pocket money did Anaya have, in rupees?
  32. 32.Sara spent ₹36, which is 50% of the pocket money. How much pocket money did Sara have, in rupees?
  33. 33.18 is 10% of ?
  34. 34.Rohan spent ₹78, which is 75% of the pocket money. How much pocket money did Rohan have, in rupees?
  35. 35.12% of a number is 12. What is the number?
  36. 36.Rohan spent ₹69, which is 30% of the pocket money. How much pocket money did Rohan have, in rupees?
  37. 37.12% of a number is 39. What is the number?
  38. 38.40% of a number is 82. What is the number?
  39. 39.50% of a number is 58. What is the number?
  40. 40.Riya spent ₹56, which is 80% of the pocket money. How much pocket money did Riya have, in rupees?

Answer key

  1. 110
  2. 255
  3. 200
  4. 220
  5. 296
  6. 75
  7. 400
  8. 280
  9. 72
  10. 140
  11. 165
  12. 185
  13. 110
  14. 260
  15. 400
  16. 306
  17. 140
  18. 162
  19. 100
  20. 308
  21. 100
  22. 120
  23. 392
  24. 100
  25. 175
  26. 304
  27. 210
  28. 40
  29. 315
  30. 80
  31. 120
  32. 72
  33. 180
  34. 104
  35. 100
  36. 230
  37. 325
  38. 205
  39. 116
  40. 70

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