The average of $10$ mumbers is $7 .$ What will be the new average if each of the numbers is multiplied by $8 \,?$
The average of $10$ mumbers is $7 .$ What will be the new average if each of the numbers is multiplied by $8 \,?$
- A
$45$
- B
$52$
- C
$56$
- D
$55$
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