Question

If every $2$ out of $3$ ready made shirts need alterations in the sleeves, and every $4$ out of $5$ need it in the body, how many alterations will be required for $60$ shirts?

• A. $88$
• B. $123$
• C. $133$
• D. $143$

Answer 1

Answer: (C)

$133$

Number of alterations required in $1$ shirt $=(\frac{2}{3}+\frac{3}{4}+\frac{4}{5})=\frac{133}{60}$.
$\therefore$ Number of alterations required in $60$ shirts $=(\frac{133}{60}\times 60)=133$.