Question

A purchase a watch for Rs 900 and sell it to be at 10% profit and B sell it to C at a profit of 30% find the CP of c

Answer 1

A purchase watch = 900 rs
B purchase watch = (10×900/100)+900
= (10×9)+900
= 90+900
= 990rs
C purchase watch = (30×900/100)+900
= (30×9)+900
= 270+900
= 1170 rs