2025 DSS PRELIMS P1 Q21

A fridge contains 5 bottles of pineapple juice and 4 bottles of orange juice. John takes a bottle, selected at random, from the fridge and drinks it. Peter then takes a bottle, selected at random, from the fridge. Find, as a fraction in its simplest form, the probability that

1. Peter chooses orange juice,[2]
2. one of them chooses pineapple juice and the other chooses orange juice.[2]