There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Forwards I am heavy, backward I am not. What am I?

Can you count the number of quadrilaterals in the picture below?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Can you Find and name the hidden bird in the picture below ?

What goes up but never comes down?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

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

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?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable