Question

20students play football and 16 play hockey. it is found that 10 students play both games. find the number of students playing at least one game.

Answer 1

This is a Venn diagram with just two overlapping circles, football and hockey.

There's 10 in the overlap. so 10 just football and 6 just hockey for a total of 26 playing one or the other.

Answer: 26