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By selling 14 watches of equal cost price at the rate...

This question belongs to Arithmetic Ability Profit And Loss
Profit and Loss
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By selling 14 watches of equal cost price at the rate of Rs. 450 each, there is profit equal to the cost price of 4 watches. The cost price of the watch is = ?

Answer & Solution
Correct Answer: Option A
Let the cost price of the watch is = Rs. x
According to the question,
⇒ Profit = Selling price - Cost price
⇒ 4x = 14 × 450 - 14x
⇒ 18x = 14 × 450
$$ \Rightarrow x = \frac{{14 \times 450}}{{18}} = 350$$
Cost Price of a watch = Rs. 350
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