An egg seller sells his eggs only in the packs of 3 eggs, 6 eggs, 9 eggs, 12 eggs etc., but the rate is not necessarily uniform. One day Raju (which is not the same egg seller) purchased at the rate of 3 eggs for a rupee and the next hour he purchased equal number of eggs at the rate of 6 eggs for a rupee. Next day he sold all the eggs at the rate of 9 eggs for Rs. 2. What is his percentage profit or loss?

A. 10% loss B. 11.11% loss C. 3% loss D. 2.5% profit Answer: Option B
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Solution(By Apex Team)

While buying, $\begin{array}{l}\text{CP of one egg in 1st case}\\ =\frac{1}{3}=33.33\ \text{paise}\\ \text{CP of one egg in 2nd case}\\ =\frac{1}{6}=16.66\ \text{paise}\\ \text{Average CP}\\ =\frac{33.33+16.66}{2}\\ =25\ \text{paise}\\ \text{Selling price of 9 eggs}\\ \text{= 2 Rs.}\\ \text{SP of one egg}\\ =\frac{200}{9}\\ \text{Profit or loss}\\ =\frac{\left(25-\frac{200}{9}\right)\times100}{25}\\ =\text{Profit or Loss}\\ =11.11\ \text{(loss)}\end{array}$

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