who is silent in the parliament?

A man plots the murder of his wife. His plan is full proof. Nobody saw them leaving their house. He stabbed her with a knife while driving. She died on the spot. He threw her body in a valley. He threw the knife carefully wiping his finger prints on a random garbage bin. Then he went back to his home and no one was watching him this time as well.

After an hour, he was called by the local police department who informed him that his wife was murdered. They asked him to reach the scene of crime immediately. But as soon as he arrived at the crime scene, he was arrested by them.

How did the police know that he himself is the murderer?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

What country can make you shiver?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?