Playing sports has a negative effect on mental health.
Which organization has defined health as a ''state of complete physical, mental and social well-being''?
In a school of 100 students, only 2 sports – cricket and football are entertained. 40 play only cricket and 40 play only football. If each of the100 students play at least one of the sports. Find the number of students who play both the sports.
In a school of 100 students, only 2 sports – cricket and football are entertained. 40 play only cricket and 40 play only football. If each of 100 students play at least one of the sports. Find the number of students who play both the sports.