QJEEAdv03Ma867a: JEE Advanced 2003 Mathematics - Class 12 JEEAdv03Ma867a Solution: is targeting to and are targeting to Probability of hitting the …

$A$ is targeting to $B, B$ and $C$ are targeting to $A.$ Probability of hitting the target by $A,B$ and $C$ are ${2 \over 3},{1 \over 2}$ and ${1 \over 3}$ respectively. If $A$ is hit then find the probability that $B$ hits the target and $C$ does not.