The average of 7 numbers is 28. The average of first three of them is 23 and…

Coal India · General Paper · 2017

The average of 7 numbers is 28. The average of first three of them is 23 and the last three of them is 42. Then the fourth number is:

  1. A.

    3

  2. B.

    2

  3. C.

    1

  4. D.

    0

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Correct answer: C

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