Question

by selling 180 orange A man lost the SP of 20 Orange find his loss percent had he purchase them for rupees 270 what would have been the SP of one orange

Answer 1

let SP of 1 orange=SP
and, CP of 1 orange=CP
then loss on 1 orange=CP-SP

a/c to the question
Total loss on 180 oranges=SP of 20 oranges
i.e 180(CP-SP)=20 SP
or, SP/CP=9/8
or, (SP-CP)/CP=1/8

Loss%=(SP-CP)/CP*100%=12.5%

Now, if CP=Rs 270
SP=87.5% of 270=Rs 236.25

Answer 2

Step-by-steLet

Let cost of one orange =1 rupee

So sp of 20 oranges = 20 rupees and sp of 180 oranges =180 rupees.

Loss = sp of 20 oranges =20 rupees. After all solution 10 % loss and sp of one orange = 1.35 rupees. After solution has been given below.