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?

When it's bad luck to meet a black cat?

I have no life, but I can die. What am I?

What does this mathematical rebus means ?

When can we add 2 to 11 and get 1 as the correct answer?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

What breaks yet never falls, and what falls yet never breaks?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside. The man said, "Oh! I am really sorry, I thought this was my room." He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man. What made her suspicious of that man? He might have been genuinely mistaken.