How many students liked Hockey or football but not cricket?
Explanation:
In a 3-set Venn, A or B but not C implies (only A) + (only B) + (only A and B but not C).
Hence, in this case, it is equivalent to: (only Hockey) + (only Football) + (only Hockey and Football).
Consider the solution to the first question.
∴ Required count, as explained above = 168 + 40 + 22 = 230.
Hence, option (a).
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