Find the next number in the sequence

1, 2, 6, 21, 88, __?

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 does below Rebus say?

XLR8

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

Count the number of balls in picture below:

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

Can you find the company name in the pictogram below?