Question

A vendor bought oranges at 26 per dozen and sold them at 5 for 13. His gain per cent, is​

Answer 1

Answer:

$13 \div 5 = 2.6$

$26 \div 12 = 2.1$

$\frac{2.6}{2.1} \times 100$

$260 \div 2.1$

$123.8$

$23.8\%$

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Answer 2

$Sp \: of \: Orange = \frac{13}{5}$

$Sp \: of \: 12 \: Orange = \frac{13}{5} \times 12$

$= rs.31.20$

$Gain \: of \: selling \: a \: dozen \: of \: \\ Oranges = s.p - c.p$

$= 31.20 - 26$

$= 5.20$

$gain\% \: = gain \times 100$

$= 5.2 \times 100$

$= 52 \times \frac{100}{100}$

$= 20\%$