# 100 oranges are bought at the rate of Rs.350 and sold at the rate of Rs. 48 per dozen. The percentage of profit or loss is

$\par&space;C.P.&space;of&space;1&space;orange&space;=&space;Rs.$ $\left(\frac{350}{100}\right)&space;=$  $\par&space;Rs.&space;3.50$

$\par&space;S.P.&space;of&space;1&space;orange&space;=&space;Rs.$ $\left(\frac{48}{12}\right)&space;=$  $\par&space;Rs.&space;4$

$\par&space;Gain\%&space;=$ $\left(\frac{0.50}{3.50}\times&space;100)\right)\%$  $=&space;\frac{100}{7}\%&space;=$ $14\frac{2}{7}\%$