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

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

what does the below rebus means?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

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

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

Solve the puzzle by telling what does below picture means.

Find the last number in the series below:

voN luJ yaM raM ---