If a wheel has 54 spokes, how many spaces are there between the spokes?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

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?

When we see 2 but call 10?

A spaceship was lost. The detective was given a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it:
Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

Where is the spaceship?

I am quite hot but become too cold if you remove the first two letters. What am I?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

Can you solve the below rebus?

What is the coolest letter in the alphabet?