The average (arithmetic mean) of a, b, and c is equal to the median of a, b, and c. If 0 < a < b < c, which of the following must be equal to b ?
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median =(3+1)/2=4/2=2 nd term=b
am=(a+b)/2
(a+b)/2=b
a+b=2b
a=2b-b
a=b
am=(a+b)/2
(a+b)/2=b
a+b=2b
a=2b-b
a=b
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