2026 EVG P1 Q25

A box of chocolate contains 7 dark chocolates and 5 milk chocolates. Lee takes a chocolate, selected at random, from the box and eats it. Wong then takes a chocolate, selected at random, from the box.

1. Draw a tree diagram to show the probabilities of the possible outcomes.[2]
2. Find, as a fraction in its simplest form, the probability that
   1. Lee and Wong both picked dark chocolates.[1]
   2. Lee and Wong picked at most one milk chocolate in total.[2]