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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 376 · 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 31. What is the number?
  2. 2.75% of a number is 15. What is the number?
  3. 3.60% of a number is 30. What is the number?
  4. 4.19 is 20% of ?
  5. 5.Arjun spent ₹158, which is 40% of the pocket money. How much pocket money did Arjun have, in rupees?
  6. 6.80% of a number is 288. What is the number?
  7. 7.99 is 50% of ?
  8. 8.Kabir spent ₹48, which is 40% of the pocket money. How much pocket money did Kabir have, in rupees?
  9. 9.20% of a number is 39. What is the number?
  10. 10.171 is 75% of ?
  11. 11.30 is 15% of ?
  12. 12.60% of a number is 9. What is the number?
  13. 13.80% of a number is 220. What is the number?
  14. 14.15% of a number is 48. What is the number?
  15. 15.8 is 10% of ?
  16. 16.Diya spent ₹30, which is 75% of the pocket money. How much pocket money did Diya have, in rupees?
  17. 17.Aarav spent ₹1, which is 10% of the pocket money. How much pocket money did Aarav have, in rupees?
  18. 18.192 is 60% of ?
  19. 19.60% of a number is 117. What is the number?
  20. 20.Anaya spent ₹71, which is 20% of the pocket money. How much pocket money did Anaya have, in rupees?
  21. 21.75% of a number is 225. What is the number?
  22. 22.64 is 25% of ?
  23. 23.Sara spent ₹198, which is 60% of the pocket money. How much pocket money did Sara have, in rupees?
  24. 24.30% of a number is 18. What is the number?
  25. 25.Anaya spent ₹67, which is 50% of the pocket money. How much pocket money did Anaya have, in rupees?
  26. 26.40% of a number is 30. What is the number?
  27. 27.Aarav spent ₹42, which is 30% of the pocket money. How much pocket money did Aarav have, in rupees?
  28. 28.Isha spent ₹39, which is 20% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.76 is 20% of ?
  30. 30.75% of a number is 72. What is the number?
  31. 31.Diya spent ₹64, which is 25% of the pocket money. How much pocket money did Diya have, in rupees?
  32. 32.5% of a number is 9. What is the number?
  33. 33.Aarav spent ₹111, which is 60% of the pocket money. How much pocket money did Aarav have, in rupees?
  34. 34.Arjun spent ₹18, which is 12% of the pocket money. How much pocket money did Arjun have, in rupees?
  35. 35.63 is 20% of ?
  36. 36.25% of a number is 68. What is the number?
  37. 37.25% of a number is 74. What is the number?
  38. 38.Arjun spent ₹78, which is 30% of the pocket money. How much pocket money did Arjun have, in rupees?
  39. 39.3 is 15% of ?
  40. 40.84 is 75% of ?

Answer key

  1. 310
  2. 20
  3. 50
  4. 95
  5. 395
  6. 360
  7. 198
  8. 120
  9. 195
  10. 228
  11. 200
  12. 15
  13. 275
  14. 320
  15. 80
  16. 40
  17. 10
  18. 320
  19. 195
  20. 355
  21. 300
  22. 256
  23. 330
  24. 60
  25. 134
  26. 75
  27. 140
  28. 195
  29. 380
  30. 96
  31. 256
  32. 180
  33. 185
  34. 150
  35. 315
  36. 272
  37. 296
  38. 260
  39. 20
  40. 112

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