How many sides does a circle have?

A landlord calls both of his sons and tells them that their horses will now decide who will transfer the inheritance. He tells them to race along the land till the end and the one whose horse will be slower will win and be the heir to all the property.

Both of them keep wandering for days but to no result. Then they ask a wise man regarding it. The man advises them on the matter after which they jump on the horses and race as fast as they can till the end. Why did they do it?

What did the wise man say?

What does below Rebus say?

XLR8

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

Why is it very easy to weigh a fish?

What is the last thing you take off before bed?

I have teeth but i don't bite. Who Am I ?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?