Answer:
Four fingers and a thumb, yet flesh and blood I have none. What am I?
I run up and down the stairs without moving
I am a rock group with four members. All dead one was assassinated.
I go around and in the house but never touches the house
I am a mother from a family of eight. Spins around all day despite my weight. Had a ninth sibling before founding out it's fake.
What is full of holes but still holds water?