By selling 25 metres of cloth a trader gains selling price of 5 metres of cloth. gain of trader in %

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7.Profit and Loss

easy

By selling $25$ $metres$ of cloth a trader gains the selling price of $5$ $metres$ of cloth. The gain of the trader in $\%$ is

A

$25$

B

$20$

C

$28$

D

$29$

Solution

$S.P.$ of $25\, m$ of cloth $-$ $C.P.$ of $25 m$ of $cloth = S.P.$ of $5 m$ of cloth

$\therefore$ $C.P.$ of $25 m$ of cloth $= S.P.$ of $20 m$ of cloth

$\therefore \quad C.P. =₹ 20, S.P. =₹ 25($ let $)$

$\therefore$ Gain percent $=\frac{5}{20} \times 100=25 \%$

Standard 13

Quantitative Aptitude

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