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

Option 1)
50
Option 2)
19
Option 3)
82
Option 4)
84
Option 5)
7

Answers (1)

best_answer

$Avg. = 7$
$If\: each\: no.\: is \: multiplied \: by\: a\: factor \: K$
$then\: new\: avg. = K*old \: avg.$
$New \: Avg. = 12*7=84$

Posted by

rishi.raj

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