Puzzle #10: Hat color

Four men have been buried all the way to the neck, only their heads stick out. They cannot turn their heads, so they can see only in front of them. A wall has been placed between A and B, so that A cannot see the other 3 (B, C, D), and viceversa. All of them…

Puzzle #9: Liar Tom

Tom and Tim, time tested twice troublesome twins, entered the kitchen at ten o’clock on aTuesday evening. “Mom, mom, look what I found” said Tom, waving a sheet of faded paper.“No, I found it.” said Tim.“What is it, Tom?” Mom asks.“I don’t know, mom, but it talks about Genies.”“really?” she replied as she took the…

Puzzle #8: Egg on the floor

There is a 100 floor building. You need to do an experiment to find out the highest floor number from which the egg won’t break on dropping. You are given two eggs that are identical in all ways and you need to use only these two eggs to find out the highest floor number. If…

Puzzle #7: Pass the desert

In desert, there are same types of cars available. The car runs on petrol. But each car can only carry enough petrol to cross only half of the desert. There is no petrol station in the desert. And car can’t carry extra petrol. You need to take an important person across the desert. You can…