1.

the mean of 5 boys is 62 .when the mass of a boy is excluded the mean of mass of the remaining becomes 64 kg . find the mass of the boy been excluded?

Answer»

Answer:

54

Step-by-step explanation:

LET five BOY's weight x

so x/5=62

x=310

and FOUR boys weight y

so y/4=64

y=256

let the boy weight which is REMOVED from them is z

so x-z=y

x-y=z

310-256=z

z=54

weight of boy removed is 54



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