#1  
Old 01-20-2018, 02:47 AM
hari109 hari109 is offline
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Location: India
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Wink Cars Across the Desert

A military car carrying an important letter must cross a desert.

There is no petrol station on the desert and the car has space only for petrol that lasts to the middle of the desert.

There are also other cars that can transfer their petrol into one another.

How can the letter be delivered?

More at - https://spirit-of-genius.blogspot.in...ss-desert.html
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  #2  
Old 01-24-2018, 01:22 PM
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swatso swatso is offline
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Use 4 cars.

Abandon car #1 after travelling 1/8th the distance.
Transfer its remaining fuel to other 3 cars, filling them up.

Repeat after 1/6th and 1/4th.
Single car will be 13/24ths across and with a full tank.
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