Difficult clean riddles for teens with simple answers

logicmathcleanclever

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?
68.962962 miles
71.45 %
75 votes
cleanlogicsimple

You measure my life in hours and I serve you by expiring. I'm quick when I'm thin and slow when I'm fat. The wind is my enemy.
A candle.
69.79 %
105 votes
cleansimple

They are twin sisters, same height; they work in the kitchen, arm in arm. Whatever is cooked, they always try it first.
Chopsticks.
69.61 %
74 votes