Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

John is the son of Jacob.
So,
Jacob is the_____of John's father?

How many sides does a circle have?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

The King of a distant land had heard that Birbal was one of the wisest men in the East and so desired to meet Birbal. He sent Birbal an invitation to visit his country.

In due course, Birbal arrived in the distant kingdom. When he entered the palace he was flabbergasted to find not one but six kings seated there. All looked alike. All were dressed in kingly robes. Who was the real king?

The very next moment he got his answer. Confidently, he approached the king and bowed to him.

How did Birbal know who was the real king?

What does this rebus puzzle means ?

Can you solve the below tricky visual equation?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

A Detective reviewed the information they had on the case so far.

A lady named 'Caterina' was found shot and they already had a list of suspects - Ankit, Tarun, Harish, Manoj and Manish.
The killer is a fan of challenges him by leaving notes ad various places.
* The first was found in a toilet room.
* The second was found in an art room.
* The third was in a restroom.
* the fourth in an underwater room.
* The fifth at the no-smoking room.

All of the notes read the same thing, 'The clues are where you find the notes.' Yet, nothing was found at any place the notes were.
Detective the genius, immediately solved the case.
Who was the killer?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?