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You have 2 containers, one can hold 5 cups and the other can hold 3 cups. You have an unlimited supply of water available. How will you Measure out exactly 4 cups?

 Jan 24, 2019
 #1
avatar+3976 
+2

Fill the 5 cup container full, (5,0)

Fill the 3 cup container full using the 5 cup container, which afterward contains 2 cups, (2,3)

Pour out the 3 cup container and fill it with the 2 cups remaining in the 5 cup container, (0,2)

Fill the 5 cup container, (5,2)

Top off the 3 cup container using the 5 cup container.  This takes 1 cup from the 5 into the 3, (4,3)

You now have 4 cups in the 5 cup container.

 Jan 24, 2019
edited by Rom  Jan 24, 2019
 #2
avatar+16398 
+2

 

 

 fill 5 cup......fill 3 cup from 5 cup leaves 2 cups in the larger ....pour out 3 cup and put the 2 cup in it

                fill 5 cup again and pour 1 cup in to 3 cup (thus filling the 3 cup container).....now there is 4 cups in 5 cup container.

 Jan 24, 2019

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