Question

A box contains 18 beads,of which some are black and remaining are white.If we take a bead from it,then the probability of that it being black is 5/9
a.Find the number of black beads
b.Find the number of White beads
c.Find the probability of getting white bead

Answer 1

Answer:

a)no of black beads is 10.

b)no of white beads is 8

c)probability of white bead=1-5\9

i.e 4\9