Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

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

What am I?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

What has lots of eyes, but can’t see?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

Which Travels Faster? Solve below famous picture riddle:

why number 8549176320 is one of a kind?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?