A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

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

Which is the correct shadow of the bird?

What has many keys but can’t open a single lock?

During which month do people sleep the least?

The Federal bank of London is abducted by the robbers. The head of the robbers asked the cashier to empty their money vault to them and when suddenly cashier got a call from her father. To avoid any suspicion, the robber asked the cashier to pick the call and reply her father in the shortest manner possible.

The cashier told her father "Is there an emergency father, Call me when you are free and I will help you in your furnishing" and then the cashier hung up the phone.

After 10 minutes, police arrived at the crime scene.

How did the police know about the robbery?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

I’m tall when I’m young, and I’m short when I’m old. What am I?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)