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In the following figure, set A represents kind people, set B represents caring people and set C represents innocent people. If whole set B contains 19 people and there are 5 people who are caring and innocent, 6 people who are kind and caring and only 2 people have all the three characteristics. Find the number of people who are caring only. 

In the following figure, set A represents kind people, set B represents caring people and set C represents innocent people. If whole set B contains 19 people and there are 5 people who are caring and innocent, 6 people who are kind and caring and only 2 people have all the three characteristics. Find the number of people who are caring only.  Correct Answer 6

Required number = B – (BC + AB + ABC)

= 19 – (5 + 6 + 2)

= 19 – 13

= 6

Hence, there are 6 persons who are only caring.

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