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4.Average
easy
The average marks of a student in four subjects is $75 .$ If the student obtained $80$ marks in the $5^{\text {th }}$ subject then the new average is?
A
$80$
B
$76$
C
$92$
D
$95$
Solution
Total sum of all the $5$ subjects $=75 \times 4+80=380$
Average $=\frac{380}{5}=76$
Standard 13
Quantitative Aptitude
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