In a class of 32 students, 22 offer maths, 18 offer chemistry and 16 offer physics. 6 offer all three subjects, 3 offer physics and chemistry only and 5 offer physics only. Each student offers at least one subject. Illustrate the information in a Venn diagram. Find the number of the students who offer
(I) Chemistry only
(II) Only one subject
(III) Only two subject
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Answer:
II)only one subject
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