Spot 5 differences in two Christmas tree below:

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?

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

What can go up a chimney down, but can’t go down a chimney up?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

What English word has three consecutive double letters?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

A maths symbol is hidden in the below Bar Graph. Can you decipher it?