Question

10-6 5)
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21. In a survey of 500 students of a college, it was found that 49% liked
watching football, 53% liked watching hockey and 62% liked watching
basketball. Also, 27% liked watching football and hockey both, 29% liked
watching basketball and hockey both and 28% liked watching football
and basket ball both. 5% liked watching none of these games.
a) How many students like watching all the three games?
b) Find the ratio of number of students who like watching only football
to those who like watching only hockey.
c) Find the number of students who like watching only one of the three
given games.
d) Find the number of students who like watching at least two of the
given games​

Answer 1

Answer:

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Step-by-step explanation:

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