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

Which of the below owl is odd one out?

What is the centre of gravity?

What has a ring but no finger?

There is a place where if I stand up straight, I will still be considered sideways.

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

Can you find out which options fits best with the missing column?

Can you count the number of matches in the picture below ?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?