The average of 100 numbers is 44 the average of these 100 numbers and 4 others new nbers is 50.The average of the four new members will be
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answer is 200
previous average of 100 numbers was 44
now because of addition of 4 numbers average is increased by 6.
this increase in average is for all the 100 numbers hence sum of 4 numbers is
100*6+4*50
=800
average is 800/4=200
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