Question

A man sold a watch for rs 1760 gaining 25% .at what prize did he buy the watch

Answer 1

let the cp be x

gain% = 25%

gain = 25x/100

        =1x/4

so,

sp      =  x + x/4

1760  =  5x/4

x        =  1760×4/5

x        =  Rs. 1408