question_answer

In a queue, A is eighteenth from the front while B is sixteenth from the back. If C is twentieth from the front and is exactly in the middle of A and B, then how many persons are there is the queue?                                           

A) 45                               

B) 46                    

C) 47            

D) 48                    

Correct Answer: C

Solution :

A is 18th from front and C is 24th Number of persons between A and C = 6. Since C is exactly in middle of A and B, so number of persons between C and B = 6.                       \[\therefore \] Number of persons in the queue \[=(17+1+6+1+6+1+15)=47.\]