In a survey, 100 people were asked about their favourite Holiday spot in India a

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In a survey, 100 people were asked about their favourite Holiday spot in India among three places: Goa, Shimla or Kashmir. All the people had at least one of these three spots as their favourite one. 90 people named Goa as their favourite, 80 people named Shimla as their favourite and 80 people named Kashmir as their favourite.
Determine the minimum number of people who could have name exactly two places as their favourite.

Options:

A . 50

B . 0

C . 30

D . 20

Answer: Option B
:
B
B
For II to be the minimum, III has to be the maximum. The maximum value of III can be 75. So, minimum value of II = 0

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