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Mr. Dubey • 52.30K Points
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Q. The average of five results is 46 and that of the first four is 45. the fifth result is ?

  • (A) 51
  • (B) 50
  • (C) 49.5
  • (D) 49
Correct Answer - Option(B)
Explanation by: Mr. Dubey 
Fifth result = sum of all five result - sum of first four result.
= 5 x 46 - 4 x 45
= 230 -180
=50

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