Why do we preferably have round manhole covers and not square ones?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy.

How can someone be so rude?

A man was telling some of his war stories to his grandchildren.
"When the World War I was on the verge of end, I was awarded for my bravery for I had saved a group of my men." He coughed and then added, "When we were fighting in northern France, an enemy soldier threw a grenade at us. Before it could explode, I picked it up and threw it away. For my act of bravery, right before the war ended, A General gave me a sword engraved with the words "Awarded for Display of Bravery and Heroism in World War 1"."

Hearing this, one of the grandson spoke up. "Grandpa, this is not a true story. It can"t be true!"

The truth is that it was not. How did the grand children know it?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

Whats the next number in the below number sequence pattern.

The dirtier I get, the whiter I look. Who am I?

When does a USA Potato change its nationality?

What do you think with the below Picture ?