Find the one which does not belong to that group ? Choose the correct choice from the following:
A) 36
B) 49
C) 64
D) 81
E) 100
Explanation:   36 = 62, 49 = 72, 64 = 82, 81 = 92 and 100 = 102.   36, 64, 81 and 100 are squares of composite numbers, but not 49.   ANSWER IS 49
<result>B</result>
Find the one which does not belong to that group ?