There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

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

I have no life, but I can die. What am I?

What is at the end of a rainbow?

Can it be possible to build a house that has all its four walls facing towards the South?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Can you name four days which start with the letter 'T'?

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?