Fifty students were asked if they own a Laptop computer, a Tablet or both. 22 owns a Laptop Computer (L), 25 ouns a Tablet (T) and 10 owns both a Laptop and a tablet.

.a.) How many students have laptop only? b. how many students do not have a Tablet!
c ) .how many students have tablet only?
d. how many students do not have a laptop or a tablet?​