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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? |
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Answer» Answer: Step-by-step explanation: 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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