Q. Three identical vessels A, B and C are filled with liquid of different densities p, 2p and 4p upto a 
height of 8h, 4h and h respectively, If $P_A$,$P_B$and $P_C$ are the pressure at the bottom of A, B and C respectively, Find$P_A$:$P_B$: $P_C$. (Atmospheric pressure = 0) 

A. 1:1:1
B. 2:2:1
C. 1:1:2
D. 1:2:3