1200 boys and 650 girls appeared in an examin | vedclass

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Question

(B) Total number of students who appeared in the examination $= 1200 + 650 = 1850$.Number of boys who passed $= 1200 	imes (100 \% - 70 \%) = 1200

Vedclass · Accepted Answer

$41 \%$

Vedclass · Answer

(B) Total number of students who appeared in the examination $= 1200 + 650 = 1850$.Number of boys who passed $= 1200 	imes (100 \% - 70 \%) = 1200 	imes 30 \% = 1200 	imes 0.30 = 360$.Number of girls who passed $= 650 	imes (100 \% - 40 \%) = 650 	imes 60 \% = 650 	imes 0.60 = 390$.Total number of students who passed $= 360 + 390 = 750$.Required percentage of passed students $= (\frac{750}{1850}) 	imes 100 \approx 40.54 \%$.Rounding to the nearest whole number,the approximate percentage is $41 \%$.

$1200$ boys and $650$ girls appeared in an examination. If $70 \%$ of boys and $40 \%$ of girls failed,find the approximate percentage of passed students.

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