Question

A sells a bicycle to B at a profit of 20% and B sells it to C at a profit of 25%.if C pays rupees 1500,what did a pay for it? (A)rupees 825 (B) rupees 1000 (C) rupees 1100 (D)rupees 1125.

Answer 1

let a pays x
then c pays=x(1+20/100)(1+25/100)
then
x(1+1/5)(1+1/4)=1500
or x*6/5*5/4=1500
or x=(1500*4)/6
or x=1000...........(ans)