Question

hey guys I've been confusing this question for a week help me Q.5people are to cross the river and the boat is capable of maximum of 2 people carrying capacity time for traveling each person in turn is 1sec, 3sec, 6sec, and 12sec if two people both go on the boat the boat will travel at the speed of slower person in 30sec bring all the people across the river????

Answer 1

First take the men who take 1 sec & 3sec on the other side.
Then take men with 1 sec on the other side.
Then take men with 12 sec & 8 sec.
Then take men with 3 sec on the other side.
Then take men with 1 sec & 3 sec on other side.
Then take men with 1 sec to pic up men having 6 sec....

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