In survey conducted among 120 students studying in class 10 of a secondary school, it was found that 60 students liked cricket game, 55 students liked basketball game and 20 students did not like any of two games.

। [1] If C and B denote the sets of students who liked cricket and basketball game respectively, write the cardinality of n (BOC).



2) Present the above information in a Venn-diagram. 3)Find the number of students who liked cricket 0nly.

2 [ Compare the number of students who liked both cricket and basket ball and who liked except these two games.​