A trade buyers eggs for Tk. M per dozen and sells them for Tk. M/6 per piece. What is his profit?
Solution
Correct Answer: Option D
Total Price of Egg= m
∴ Per egg purchase price= m/12
∴ Per egg selling price= m/5
Profit percentage= (m/6-m/12)100 / m/12
=(2m-m/12)100% / m/12
=(m/12)100% / m/12
=100%