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4.Average
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The average of six numbers is $32 .$ If each of the first three numbers is increased by $2$ and each of the remaining three numbers is decreased by $4,$ then the new average is ?
A
$35$
B
$34$
C
$31$
D
$30$
Solution
Total sum of all six numbers $=32 \times 6=192$
According to the question
New sum $=192+3 \times 2-3 \times 4=186$
Required Average $=\frac{186}{6}=31$
Standard 13
Quantitative Aptitude
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