In a school of 300 boys, 44% of Muslims, 28% Hindus, 10% Sikhs and the remaining of other communities. How many belonged to the other communities?
Options:
(A) 54
(B) 63
(C) 70
(D) 42
(E) 31 Stream of consciousness:
44 + 28 + 10 = 82%
100 82 = 18%
300 * 18/100 = 54
Thus, the answer is (A).