well, if x% play all three, then
60+50+70 - (20+40+30) + x = 100
so x = 10%
It is known that in a sports club, there are 1000 registered members. 60% of members play Tennis, 50% of members play Cricket, 70% of members play Football, 20% of members play Tennis and Cricket, 40% of members play Cricket and Football and 30% of members play Football and Tennis. If someone claimed that 20% of members play all the three sports, what is your opinion and why? [Use inclusion and exclusion principle to provide your opinion]
2 answers
Manipal university
1 answer