Which is the rope you never skip with?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

How many letters are in the alphabet?

Find the next number in the sequence

5 12 24 36 ?

Replace the question mark with the number below given a simple math problem.

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

How many times can you subtract the number two from the number fifty?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?