Gujarati
Hindi
4.Average
easy

The average of $50$ numbers is $38 .$ If two numbers $45$ and $55$ are discarded, the average of the remaining set of numbers is

A

$38.5$

B

$37.5$

C

$37.0$

D

$36.5$

Solution

Average of the remaining set of numbers

$=\frac{50 \times 38-(45+55)}{50-2}=\frac{1900-100}{48}=37.5$

Standard 13
Quantitative Aptitude

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