Question

a venor bought oranges at 20 for ₹56 and sold them at ₹35 per dozen find the gain or loss percent

Answer 1

C.P. of 20 oranges = rs.56
C.P. of 1 orange = 56/20 = rs.2.8

S.P. of 12 oranges = rs.35
S.P. of 1 orange = 35/12 = rs.2.9
S.P. of 20 oranges = rs.58

Gain = rs.2
Percent = 2/36 X 100 = 5.5%