Solve the mathematical equation in the picture below.

The richest man in the city Mr Rechard is kidnapped. James Bond is appointed to the case. At the crime scene, a note is found written by Mr Richard. The note read:

"First of January, Fourth of October, Fifth of March, Third of June."

James Bond knew that somehow, the killer's name was hidden in the note. The following were the suspects:

Jack Richard, the son and the heir of property.
John Jacobson, the employee of Richard.
June Richard, the wife of Richard.

James Bond took only a few moments to deduce the killer's name. Can you tell who was the killer?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Which English verb becomes past tense just by rearranging the letters?

I am sure no one can have two things for dinner. what are they?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

When is the top of a mountain similar to a savings account?

I can be cracked, made, told, and played. What am I?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

The centre of the third figure is empty. What digit should fit inside?