Solution:
Given ,
We know that
Substitute the appropriate values in the above equation
Therefore,
Out of 800 boys in a school, 224 played cricket, 240 played hockey and 336 played basketball. Of the total, 64 played both basketball and hockey; 80 played cricket and basketball and 40 played cricket and hockey, 24 played all the three games. The number of boys who did not play any game is
Given ,
We know that
Substitute the appropriate values in the above equation
Therefore,