44 + 28 + 10 = 82%
100 – 82 = 18%
400 * 18/100 = 72
In a school of 400 boys, 44% of Muslims, 28% Hindus, 10% Sikhs and the remaining of other communities. How many belonged to the other communities?
a: 41
b: 63
c: 72
d: 63
e: 50