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

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___

What does does this rebus picture means ?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

John is on an island and there are three crates of fruit that have washed up in front of him. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges.

Each crate is labelled. One reads 'apples', one reads 'oranges', and one reads 'apples and oranges'. He know that NONE of the crates have been labeled correctly - they are all wrong.

If he can only take out and look at just one of the pieces of fruit from just one of the crates, how can he label all of the crates correctly?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n