Question

10. A shopkeeper earns a profit of Rs 1 by selling one pen and earns a loss of 30

paise on sale of one pencil. In a particular month, he incurs a loss of Rs 5. In that
month, he sold 40 pens. How many pencils did he sell in that period?

Answer 1

he sold 15 pen’s in that period because if you subtract from what he sold and then add you get 15 and when you solve it correctly