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The average of 50 number is 38 .if two numbers 45 and 55 are discarded , the average of the remaining number is?

Correct Answer: 37.5

Explanation:

Sum of 50 member = (50 x 38 )
= 1900
Sum of 48 member = [1900- (45 + 55 ) ]
= 1800
∴ Required Average = 1800/48
= 225/6
= 37.5


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