Which is the rope you never skip with?

Can you find the key in the picture below?

Replace the question mark with the correct number in the below-given picture?

What does it mean?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

What does the below image rebus riddle means ?

Next Number in the Series,

5, 16, 49, 104, ?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?