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Brain Teasers

Mensa Brainteaser - Week 22 - Thursday


A hiking group are on a five day expedition.

On the first day they cover one quarter of the total distance.

The next day they cover one quarter of what is left.

The following day they cover two fifths of the remainder and on the fourth day half of the remaining distance.


The group now have 14 miles left, how many miles have they walked?

Show Answer

68.962962 miles