If the manufacturer gains 10%, the wholesale dealer 15% and the retailer 25%, then find the cost of production of a table, the retail price of which is $₹ 1265 ?$

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$₹ 900$

$₹ 600$

$₹ 800$

$₹ 1000$

answer is A.

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Detailed Solution

Let the cost of production of the table be $₹ X$

Then, 125 % of 115 % of 110 % of $x = 1265$

$\begin{array}{l} \Rightarrow \frac{125}{100} \times \frac{115}{100} \times \frac{110}{100} \times x = 1265 \\ \Rightarrow \frac{253}{160} x = 1265 \Rightarrow x = (\frac{1265 \times 160}{253}) = ₹ 800 \end{array}$

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