Question

In an examination a candidate scores the following percentage of marks English-44; Hindi-58; Maths-74; Physics-61; Chemistry-62 If weights 2,4,4,5,3 respectively are allotted to these subjects then the candidate's weighted mean percentage is

• A. $61$
• B. $61.5$
• C. $62$
• D. $62.5$

Answer 1

The correct option is B $61.5$

Percentage marks in English, Hindi,Maths,Physics,Chemistry=44,58,74,61,62

Their weight=2,4,4,5,3

$\therefore Weightedmean=\frac{2\times 44+4\times 58+4\times 74+61\times 5+62\times 3}{2+4+4+5+3}$

$\Rightarrow \frac{88+232+296+305+186}{18}=\frac{1107}{18}=61.5$