Question

an article is sold for x, there is a loss of 15%. If
the same article is sold for y, there is a profit of
15%. The ratio of (y - x) to (y + x) is
(Hotel Mgmt, 2010)
A)3:20
(b) 20 : 3
(C)17:23
D)20:23

C) 17:23
(d) 20:23

Answer 1

Let C.P. of the article be Rs.p.Then,x=85% of Rs. p=Rs.85100p.and,y=115% of Rs. p=Rs.115100p.∴(y−x):(y+x)=(115100p−85100p):(115100p+85100p)=30100p:200100p=310:2=3:20