Why are all black people so quick ?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

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?

Why is the longest human nose just 11 inches?

Which part of London exists in France as well ?

What has a bottom at the top?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

Can you name an animal whose killing cannot be performed without spilling your own blood?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?