1. Average of 11 numbers is 7. If every number is doubled, then what will be the new average of the numbers?
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By: anil on 05 May 2019 01.47 am
Average of 11 numbers = 7 => Sum of 11 numbers = $$7 imes11=77$$ If each number is doubled, then new sum = $$77 imes2=154$$ $$ herefore$$ New average = $$frac{154}{11}=14$$ => Ans - (D)
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