You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

In the picture given below, can you find out which digit will take place of the question mark?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

Can you solve the photo plexer logic ?

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?