In a certain class, 22 pupils take one or more of chemistry, economics and government
12 take economics (E), 8 take government
(G) and 7 take chemistry (C). Nobody takes
economics and chemistry, and 4 pupils take
economics and government.
a i Using set notation and the letters
indicated above, write down the two
statements in the last sentence.
ii Draw a Venn diagram to illustrate the
information
b How many pupils take
i both chemistry and government?
i government only?