What is full of holes but still holds water?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

Take one out and scratch my head, I am now black but once was red. What am I?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

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

Give it food and it will live; give it water and it will die.