2019 Nov P1 Q10

Question 10

The school library is open from Monday to Thursday. Anna and Ben both studied in the school library one day this week. If the chance of studying any day in the week is equally likely, calculate the probability that Anna and Ben studied on:
$10.1$	The same day	$(2)$
$10.2$	Consecutive days	$(3)$
		$\textbf{[5]}$