Latest Infosys Aptitude Question SOLUTION: There are 4 women having walking speed as 1min, 2min, 4min, 5min. If one or two women can cross bridge at a time with flashlight, then what is min. time required for 4 women to cro

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There are 4 women having walking speed as 1min, 2min, 4min, 5min. If one or two women can cross bridge at a time with flashlight, then what is min. time required for 4 women to cross bridge without using flashlight?

Asked In Infosys (13 years ago)

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Dr.Dipin Singh  (13 years ago)

12 min

Fist 1 min and 2 min women cross in 2 min..... total 2 min
then 1 min woman comes back in 1 min......... total 3 min
Then 4 min and 4 min move in 5 min........ total 8 min
2min woman comes back in 2 min ...................10 min.
1 min and 2 min women cross in 2 min..... total 12 min

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