In a group of 15 high school students, 7 study Latin, 8 study French, and 3 study neither Latin nor French. How many students study both Latin and French?
সমাধান
সঠিক উত্তর: Option A
high school students=15 study neither Latin nor French=3 so,study any of them= 15-3=12 study Latin=7 study French = 8
So study both = (7+8-12) =3