Question

A shopkeeper earns a profit of rupees one by selling one pen and incurs a loss of 50 paise per notebook for selling notebooks of old stock .In a particular month he suffers a loss of rupees 75. In this period he sold 50 pens. How many notebooks did he sell in this month? Next month he earned a profit of rupees 125 and sold 200 pens. How many notebooks did he sell in this month?

Answer 1

when loss is rs 75 by selling 50 pens
then he sold 250 notebook

when profit is rs 125 by selling 200 pens
then he sold 150 notebook.......