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?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Why are televisions attracted to people?

You can see it everyday, But cannot touch it at will. What is it?

How many sides does a circle have?

What can go through glass without breaking it?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?