1. The average of 50 numbers is 38. If two numbers namely 45 and 55 are discarded, the average of the remaining numbers is :
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By: anil on 05 May 2019 01.57 am
Given that average age of 50 members = 38 years So using , average = $$frac{SumofAge}{number of persons}$$ Sum of ages = 50 x 38 = 1900 Now 45 and 55 are discarded and hence number of term left = 48 and Total Sum left = 1900 - 45 - 55 = 1800 New Average = $$frac{1800}{48}$$ = 37.5
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