What does below rebus means ?

A bomb exploded in a room full of married couples and no one died. How?

What always comes into a house through the keyhole?

I cannot talk, but I always reply when spoken to. What am I?

When it's bad luck to meet a black cat?

What can you hold in your right hand, but never in your left hand?

I can write cow in 13 letters.

Can You?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?