A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Replace the question mark in the picture below.

In the image below, can you find the value of an angle(y)

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

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?

Why 1729 is a magic number? Answer Logically.

Decode below three cipher riddles:

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

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99