1. The average of 8 numbers is 21. If each of the numbers is multiplied by 8, the average of the new set of numbers is
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By: anil on 05 May 2019 02.19 am
Average of 8 numbers = 21 => Sum of numbers = $$21 imes8=168$$ If each of the numbers is multiplied by 8, then the total sum is also multiplied by 8, => New sum = $$168 imes8$$
$$ herefore$$ Average of new set = $$frac{168 imes8}{8}=168$$ => Ans - (B)
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$$ herefore$$ Average of new set = $$frac{168 imes8}{8}=168$$ => Ans - (B)