What is the next number in this series?

4,12,84,3612....

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

People make me, save me, change me, raise me. What am I?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

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

What is it?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?