1.

The mean of 15 numbers is 11 the mean remains unchanged even though a new number is added find the new number

Answer»

637478384834#(2))93()3715/+3949(+4+47(1+679)6837+++2(+((?3()/339874(33?
73747388₹783(₹+₹(88)93837+1(##((228387476464-++((you 3773++(((283+(2(3++4+4



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