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?
Choose the correct answer
A) 54 B) 63 C) 70 D) 42 E) 31

Rationale: "44 + 28 + 10 = 82 % 100 – 82 = 18 % 300 * 18 / 100 = 54 answer : a"
Answer: A