Question

Oranges are bought at 6 per Rs.20 and sold at 4 per Rs.18. Find the gain or loss%.

Answer 1

It is given that

6 orange cost =$20

1 orange cost =20/6=3.33$

cost of 4 orange must =4×3.33=13.32$

so, he has a gain of 5.31$.
he has 37.7per cent

Answer 2

this is your answer

the cost of 6 oranges =$20

the cost of one orange =$20/6

the cost of 4 Orange =20/6×4

40/3=13.33

Gain=18-13.33=4.67

percentage of gain= profit/Cp×100

4.67/13.33×100

=35.033 %