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Comments 2

The Sinking Island

these are the correct times:

2 min. - Friend A & B cross (island --> mainland)
1 min. - Friend A crosses back (island <-- mainland)
5 min. - Friend A & C cross (island --> mainland)
1 min. - Friend A crosses back (island <-- mainland)
10 min. - Friend A & D cross (island --> mainland)

total: 19 mins C takes 5 mins to cross, not 2. D takes 10 mins to cross, not 2.

Good luck at an interview with Google

maybe for the golf balls, you can take it as "how many golf balls are able to fit inside a bus", since im pretty sure that if youll give me any golf ball, and any bus, i would be able to fit the golf ball inside the bus, the answer is that all of the golf balls in the world can fit inside a bus


Submitted Puzzles 1

1 3 4 buttons and a light bulb
There are two rooms, in one room there is a light bulb, and in the other there is a round table, with 4 buttons arragned in a square on it. Each button may be on or off, and the light bulb will be on o ...