Four persons can cross a bridge in 3,7,13,17 minutes.Only two can cros – McqOptions

MCQOPTIONS

1.	Four persons can cross a bridge in 3,7,13,17 minutes.Only two can cross at a time.Find the minimum time taken by the four to cross the bridge ?
A.	17 minutes
B.	20 minutes
C.	34 minutes
D.	12 minutes
Answer» C. 34 minutes

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