in a class of 60 students,23 play hockey,15 play basketball,20 play cricket and 7 play hockey and basketball,5 play cricket and basketball,4 play hockeyand cricket,15 do not play any of the three games. find the number of students who
1- play all the three games
2-play hockey but not cricket
3-play hockey and cricket both,but not basketball
let H, B and C be the set of students who play hockey, basket ball and cricket respectively.
therefore the number of students who play all the three games
2.
the number of students who play hockey but not cricket
=
= 23 - 4
= 19
3.
play hockey and cricket both , but not basket ball
hope this helps you
therefore the number of students who play all the three games
2.
the number of students who play hockey but not cricket
=
= 23 - 4
= 19
3.
play hockey and cricket both , but not basket ball
hope this helps you