You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

What does does this rebus picture means ?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?