Question

# A vendor buys bananas at $3$ for a rupee and sells at $4$ for a rupee. Find his profit or loss percentage

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Solution

## Consider the number of bananas bought $=12$Here, LCM of $3$ and $4$ is $12$We know thatC.P. of bananas $=\frac{1}{3}x12=₹4$S.P. of bananas $=\frac{1}{4}x12=₹3$Here$Loss=C.P.–S.P.$ $=4–3\phantom{\rule{0ex}{0ex}}=₹1$$Loss%=\left[\frac{Loss}{C.P.}×100\right]%$ $=\left[\frac{1}{4}x100\right]%\phantom{\rule{0ex}{0ex}}=\frac{100}{4}%\phantom{\rule{0ex}{0ex}}=25%$Hence, their loss percent is $25%$

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