A shopkeeper sells two watches for Rs.,308 each. On one watch he earns 12 % profit and on others he

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7.Profit and Loss

easy

A shopkeeper sells two watches for $Rs.\,308$ each. On one watch he earns $12 \%$ profit and on the others he suffers $12 \%$ loss. His profit or loss in the entire transaction was

A

$1 \frac{11}{25} \%$ loss

B

$1 \frac{11}{25} \%$ gain

C

$3 \frac{2}{25} \%$ loss

D

$3 \frac{2}{25} \%$ gain

Solution

Loss percentage $=\left(\frac{\text { Common gain or loss }}{10}\right)^{2}$

$=\frac{144}{100}=\frac{36}{25}=1 \frac{11}{25} \%$

Standard 13

Quantitative Aptitude

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