Find the next number in the sequence

5 12 24 36 ?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

James ordered a fishing rod, priced at $3.56. Unfortunately, James is an Eskimo who lives in a very remote part of Greenland and the import rules forbid any package longer than 4 feet to be imported. The fishing rod was 4 feet and 1 inch, just a little too long, so how can the fishing rod be mailed to James without breaking the rules? Ideally James would like the fishing rod to arrive in one piece!

What is the next number?

77, 49, 36, 18 ?

What can jump higher than a building?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?