\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
30 randomly selected students were asked to name their favorite subject at school. The results of the survey are displayed in the graph.
  1. What sort of graph is being used?
  2. Which was the most favoured subject?
  3. What percentage of the students named Sciences as their favorite subject?
    \(\pourcent\)
  4. What percentage of the students chose either Maths or Sciences as their favorite subject?
    \(\pourcent\)