Question : Direction: In a group of persons, 11 persons speak Kannada, 20 persons speak Tamil and 11 persons speak Telugu. In that group, if two persons speak two languages and one person speaks all the languages, then how many persons are there in the group?
Option 1: 40
Option 2: 41
Option 3: 42
Option 4: 43
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Correct Answer: 42
Solution : According to the given information, the venn diagram formed is –
So, the total number of people in the group = 19 + 10 + 10 + 1 + 1 + 1 = 42.
Hence, third option is correct.
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