Question

Varun sold 15 pens for Rs 120. The loss incurred was
equal to the cost price of 3 pens. Find the cost price of a
pen.
=​

Answer 1

Answer:

Cost price of a pen is RS 10

Step-by-step explanation:

Cost price CP be x

CP of 15 pens - SP of 15 pens= CP of 3 pens(Loss)

15x-120=3x

12x=120

x=10

Cost price of a pen is RS 10