How can you drop a raw egg from a height onto a concrete floor without cracking it?

What occurs twice in a week, once in a year but never in a day?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

How far can you walk into the woods?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?

What do you answer even though it never asks you questions?

How many times do a clock's hands overlap in a day ?