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1 vote
Of the pupils in a class, 15 can spell ‘parallel', 14

can spell Pythagoras', 5 can spell both words and
4 can spell neither. How many pupils are there in
the class?

User Rmv
by
7.6k points

1 Answer

2 votes

Answer and Step-by-step explanation:

15 can spell parallel, 14 can spell Pythagoras, 5 can spell both words and 4 can spell neither (15-5) + (14-5) + 5 + 4 = 28 people in the class.

User Steve Tjoa
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