Mathematics for IGCSE & O level - Sets (Section 1 - No. 31) | ExamPlay

Mathematics for IGCSE & O level - Sets (Section 1 - No. 31)

In a survey of 100 people, 60 like coffee, 40 like tea, and 20 like both. How many people like coffee OR tea?

60

80

100

120

Explanation

60+40-20 = 80

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