Question

A florist brought 240 roses at rs 9 per dozen . if he sold all of them at rs 1 each ,what profit did he make ? Also what is his profit per cent ?

Answer 1

total no. of dozens of roses = 240/12
= 20 dozen
Profit on each dozen = 12×1 – 9
= 3
Profit on 20 dozen roses = 20×3
= ₹60.

Answer 2

My solution is in the following image,.
Hope it helps..