Question

The cost of 4 pens is same as that of 1 note book. The total cost of x pens and x/2 note books is 150 rupee. The maximum possible cost of the pen will be (in rupee)

Answer 1

Let cost of pen =x rs

Let cost of notebooks =y rs

A.T.Q

4x=y (1)

x+x/2= 150

x+4x/2=150 ( from 1)

x+2x =150

3x=150

x=50rs

notebook cost = 200rs