2 Here are seven counters. Each counter has a number on it.
2
5
5
5
Ali puts the seven counters in a bag.
He takes, at random, a counter from the bag and does not replace the counter
He then takes, at random, a second counter from the bag.
Calculate the probability that
the number on the scoond counter is 2 more than the number on the first counter,
(11) the number on the second counter is 1 more than the number online first counter.