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

What is the next number in this series?

4,12,84,3612....

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

In the image below, can you find the value of an angle(y)

I know a nine-letter word having only one vowel.
Do you ?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

What does this mathematical rebus means ?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?