Question

d/f b/w s.p of a chain at profits at10% and 14%
is 27. What is C.P of Chain?
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Answer 1

Answer:

$let \: the \: cp \: be \: x \\ if \: profit \: = 10\% \\ sp = cp \times \frac{100 + profit\%}{100} \\ = x \times \frac{110}{100} \\ = \frac{110x}{100} \\ if \: profit \: \% = 14\% \\ sp = x \times \frac{114}{100} \\ = \frac{114x}{100} \\ atq... \\ \frac{114x}{100} - \frac{110}{100} = 27 \\ \frac{4x}{100} = 27 \\ x = 25 \times 27 \\ x = 675 \\ or \: \: \: cp \: = 675 \: rs$

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