Question

if pencils are purchased at the rate of rupees 3 per dozen and sold at the rate of 60 paise faltu pencils find the profit or loss on the sale of3 1/2 dozen of pencils​

Answer 1

Answer:

4 pencils cost=60 paisa………..(Given)

Therefore cost of 1 pencil = 60/4=15paisa

2 1/2 dozen pencils = 30 pencils………(because 1 dozen= 12 units)

Therefore cost of 30 pencils = 30×15=450 paisa