Question

Rahan sold a calculater to vishal at 20 % Profit. vishal sold it to naresh at 5% profit . if naresh paid 441 for it . what was the c.p. of the calculater

Answer 1

let x be the CP
(1.05)(1.20)x= 441
therefore,
x=441÷(1.05*1.20)
therefore, x=350
:)