Question

OF 100 students 65 are members of a mathematics club and 40 are members of a physics club if 10 are members of neither club how many students are members os a)both clubs b) maths only c)physics only

Answer 1

`\it 100-10=90\ students\ are\ members\ of\ the \ clubs\\ \\ 65+40-90=15\ students\ are\ members\ of\ both \ clubs\\ \\ 64-15=50 \ students\ are\ members\ of\ the \ math\ only\\ \\ 40-15=25\ students\ are\ members\ of\ the \ physics\ only`

Answer 2

C. physics only