A picnic is being planned in a school for Class VII, Girls are $60$ % of the total number of students and are $18$ in number. Find the number of boys.

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Solution

let total students be $x$ ,
now $60 %$ of $x$ is $18$

$\frac{60 x}{100} = 18$

$\frac{3}{5} x = 18$

$x = 30$

So number of boys is
$30 - 18 = 12$

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A picnic is being planned in a school for Class VII, Girls are 60% of the total number of students and are 18 in number. Find the number of boys.

let total students be x,now 60% of x is 1860x100=1835x=18 x=30So number of boys is 30−18=12

A picnic is being planned in a school for Class VII, Girls are $60$ % of the total number of students and are $18$ in number. Find the number of boys.

let total students be $x$ ,
now $60 %$ of $x$ is $18$

$\frac{60 x}{100} = 18$

$\frac{3}{5} x = 18$

$x = 30$

So number of boys is
$30 - 18 = 12$