There was an aeroplane crash, every single person died, but two people survived. How is this possible?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

With the help clues provided in the image, can you find the 5 digit key?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

Keyboard words are not in alphabetical order, Why?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?