Question

A fruit seller buys lemons at 2 for a rupee and
sells them at 5 for three rupees. What is his
profit per cent?
​

Answer 1

Answer:

S.P. of a lemon =Rs 3/5. Gain % = gain×100/C.P. = (100×2)/10. = 20 %.

Answer 2

$Since, CP \: of \: 2 \: lemons \: is \: Rs.1.$

$\\ Therefore, \: CP \: of \: 1 \: lemon \: is = \frac{1}{2} = Rs.0.5</p><p>$

$\\ SP \: of \: 5 \: lemons \: is \: Rs.3.$

$\\ SP \: of \: 1 \: lemon \: is \: = \frac{3}{5} = Rs.0.6$

$\\ Therefore, \: Profit \: percent \: = \frac{0.6 - 0.5}{0.5} \times 100$

$\\ = \frac{0.1 \times 100}{0.5} = 20\%$

I hope this will help you dear..

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