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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 981 · 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 5. What is the number?
  2. 2.22 is 50% of ?
  3. 3.60% of a number is 192. What is the number?
  4. 4.12% of a number is 33. What is the number?
  5. 5.5% of a number is 2. What is the number?
  6. 6.80% of a number is 248. What is the number?
  7. 7.12% of a number is 48. What is the number?
  8. 8.30 is 25% of ?
  9. 9.6 is 5% of ?
  10. 10.14 is 10% of ?
  11. 11.5% of a number is 8. What is the number?
  12. 12.94 is 50% of ?
  13. 13.48 is 40% of ?
  14. 14.50% of a number is 47. What is the number?
  15. 15.Aarav spent ₹105, which is 50% of the pocket money. How much pocket money did Aarav have, in rupees?
  16. 16.36 is 12% of ?
  17. 17.81 is 30% of ?
  18. 18.Riya spent ₹34, which is 10% of the pocket money. How much pocket money did Riya have, in rupees?
  19. 19.10% of a number is 11. What is the number?
  20. 20.Aarav spent ₹6, which is 15% of the pocket money. How much pocket money did Aarav have, in rupees?
  21. 21.Arjun spent ₹108, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  22. 22.54 is 20% of ?
  23. 23.20% of a number is 9. What is the number?
  24. 24.Sara spent ₹213, which is 75% of the pocket money. How much pocket money did Sara have, in rupees?
  25. 25.Riya spent ₹24, which is 12% of the pocket money. How much pocket money did Riya have, in rupees?
  26. 26.219 is 60% of ?
  27. 27.224 is 80% of ?
  28. 28.Anaya spent ₹29, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  29. 29.75% of a number is 84. What is the number?
  30. 30.36 is 40% of ?
  31. 31.Arjun spent ₹77, which is 25% of the pocket money. How much pocket money did Arjun have, in rupees?
  32. 32.93 is 30% of ?
  33. 33.Ishaan spent ₹36, which is 12% of the pocket money. How much pocket money did Ishaan have, in rupees?
  34. 34.48 is 80% of ?
  35. 35.129 is 75% of ?
  36. 36.15% of a number is 60. What is the number?
  37. 37.60% of a number is 186. What is the number?
  38. 38.Kabir spent ₹237, which is 60% of the pocket money. How much pocket money did Kabir have, in rupees?
  39. 39.50% of a number is 197. What is the number?
  40. 40.Arjun spent ₹186, which is 60% of the pocket money. How much pocket money did Arjun have, in rupees?

Answer key

  1. 50
  2. 44
  3. 320
  4. 275
  5. 40
  6. 310
  7. 400
  8. 120
  9. 120
  10. 140
  11. 160
  12. 188
  13. 120
  14. 94
  15. 210
  16. 300
  17. 270
  18. 340
  19. 110
  20. 40
  21. 360
  22. 270
  23. 45
  24. 284
  25. 200
  26. 365
  27. 280
  28. 145
  29. 112
  30. 90
  31. 308
  32. 310
  33. 300
  34. 60
  35. 172
  36. 400
  37. 310
  38. 395
  39. 394
  40. 310

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