Why is a river so rich ?

A California farmer owns a beautiful pear tree. He supplies the fruit to a nearby grocery store. The store owner calls the farmer to see how much fruit is available for him to buy. The farmer knows the main trunk has 24 branches. Each branch has exactly 12 boughs and each bough has exactly 6 twigs. Since each twig bears one piece of fruit, how many plums will the farmer be able to deliver?

John was piloting a plane behind a car but was never able to overtake it. Why?

What can go through glass without breaking it?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

What time is it when an elephant sits on a fence?

Which city is three-fifths chick two third cat and 50% goat?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?