Can you name an animal whose killing cannot be performed without spilling your own blood?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

What kind of band never plays music?

You bought me for dinner but never eat me. What am I?

I can be cracked, made, told, and played. What am I?

Why do you find that most of the buildings are deprived of the 13th floor?

1. How can we put an elephant in the refrigerator?
2. How can we put a Giraffe in a refrigerator?
3. The king of the jungle invites all the animals to a party everyone comes except for one animal, which animal?
4. You come to a crocodile-infested lake, you can't go around it, you can't co under it and you can't go over it, how do you get across?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

How is the moon similar to a dollar?