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?
Options:
A) 41
B) 63
C) 72
D) 63
E) 50

Rationale: "44 + 28 + 10 = 82 % 100 – 82 = 18 % 400 * 18 / 100 = 72 answer : c"
Answer: C