What always comes into a house through the keyhole?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

Can you spot the man between the coffee bean in the picture below ?

Decode the movie name from the below picture?

Identify the hidden meaning behind this picture?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

In the image below, can you find the value of an angle(y)

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?