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

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

What always comes into a house through the keyhole?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

Solve the puzzle by telling what does below picture means.

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

The more of this there is, the less you see. What is it?