In a queue, A is eighteenth form the front while B is sixteenth from the back. If C is twentyfifth from the front and is exactly in the middle of A and B, then how many persons are there in the queue ?
A's position from front 18
C's position from front = 25
B's position from front = 32
B's position from back = 16
Total number of people = 32+16-1 = 47
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