Let the velocity of liquid from hole in A is v1 and velocity of liquid from hole in B is v2, then from equation of continuity A1v1=A2v2 Av1=2Av2 v2=
v1
2
Volume of liquid coming out per second from hole in tank A=A1v1=Av1 ∴ Mass m1=Av1ρ1 Similarly, m2=A2v2ρ2 =2A⋅