Question

A merchant bought pens for 49 rupees. He sold 10 pens to another person for Rs 50 and made a profit of 30%. But how many pens did the merchant buy?​

Answer 1

Answer:

14

Step-by-step explanation:

The number of initial pens bought is "x"

Therefore the price per pen =49/x

Now he sold 10 pens for 50 rupees , which means 5 rupees per pen.

Considering 30% profit, his cost price is 5-(30%of 5) = 3.5

Now putting this and equating with 49/x,

49/x =3.5

x=14

Therefore the number of pens he bought are 14