If eggs are bought 12 for Rs., 10 and sold at 10 for Rs., 12 . gain or loss %.

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7.Profit and Loss

hard

If eggs are bought $12$ for $Rs.\, 10$ and sold at $10$ for $Rs.\, 12$. What is the gain or loss $\%.$

A

$40 \%$ loss

B

$44 \%$ gain

C

$44 \%$ loss

D

None of these

Solution

$\%$ gain or $\operatorname{loss}=\left(\frac{x w}{z y}-1\right) \times 100 \%$

$=\left(\frac{12 \times 12}{10 \times 10}-1\right) \times 100 \%=\left(\frac{144}{100}-1\right) \times 100 \%$

$=\frac{44}{100} \times 100 \%=44 \%$

since the sign is $+$ ve, therefore there is a profit of $44 \%$

Standard 13

Quantitative Aptitude

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