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Q:

The average of 8 readings is 24.3, out of which the average of first two is 18.5 and that of next three is 21.2. If the sixth reading is 3 less than seventh and 8 less than eight, what is the sixth reading? 

  • 1
    24.8
  • 2
    26.5
  • 3
    27.6
  • 4
    29.4
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Answer : 3. "27.6"

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