S mixed 36 kg of sugar @ Rs. 45/- per kg and 24 kg of sugar @ Rs. 48/- per kg and sold the mixture as to earn 20% profit. At what rate per kg must he sell the sugar.

S mixed 36 kg of sugar @ Rs. 45/- per kg and 24 kg of sugar @ Rs. 48/-

1.	S mixed 36 kg of sugar @ Rs. 45/- per kg and 24 kg of sugar @ Rs. 48/- per kg and sold the mixture as to earn 20% profit. At what rate per kg must he sell the sugar.
A.	Rs. 52.56
B.	Rs. 52.42
C.	Rs. 52.36
D.	Rs. 55.44
Answer» E.