Google interview puzzle :
Three brothers Alex, Bob and Carl travel to visit their uncle who lives exactly 300 kms away from their house, to celeberate his birthday.
They have a motorbike (bike) which can carry a maximum of two persons at a time.
Assume that the bike has a constant speed of 60 km/hr.
Each brother can walk at a speed of 15 km/hr.
The brothers are brilliant logicians, just like you.
If, they all start from their house at the same time.
what is the shortest possible time in which they all can reach their destination.
Pause the video and think logically.

It's an amazing Google interview riddle to challenge your intelligence.
So if you are looking for a job at Google, please study optimization based puzzles in detail.

You can share puzzles and riddles with me on these links:
Gmail : [email protected]
Facebook(message) :   / mohammmedammar  

Also try these brilliant mind blowing puzzles:

5 Pirates PUZZLE (Version 2) | 100 Gold Coins 5 Pirates
   • 5 Pirates PUZZLE (Version 2)  | 100 G...  

Trains & Bird Puzzle || Challenge for Math and Aptitude lovers
   • Trains & Bird Puzzle || Brilliant Puzzle  

Very Tricky Race Puzzle
   • Very Tricky Race Puzzle