Question:The average of ten numbers is `7`.If each number is multiplied by `12`,then the average  of new set of numbers is : 

A `7` 
B `19` 
C `82` 
D `84` 

+ Answer
D 

+ Explanation
Average of new set
`= (12 xx 7)`

`= 84`.

+ Report

Irin Moni

Editor, VCampus

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