13. In a class of 50 students, every student plays lfootball or cricke

1.	13. In a class of 50 students, every student plays lfootball or cricket. If 32 of them play footballand 35 play cricket, then find the numbersof students who play both the games and onlyfootball. (50 4- DR
Answer» Total n = 50and n (football ) = 32and n (cricket) = 35 so, n( football and cricket) = 35+32-50 = 67-50 = 17 so, n ( football only) = n(football) - n( football and cricket) = 32-17 = 15.

13. In a class of 50 students, every student plays lfootball or cricket. If 32 of them play footballand 35 play cricket, then find the numbersof students who play both the games and onlyfootball. (50 4- DR

Answer»

Total n = 50and n (football ) = 32and n (cricket) = 35

so, n( football and cricket) = 35+32-50 = 67-50 = 17

so, n ( football only) = n(football) - n( football and cricket) = 32-17 = 15.