Find the next number in the sequence

5 12 24 36 ?

How can you take 2 from 5 and leave 4?

Can you solve the maths in the below-given picture equation?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

I am white when I am dirty, and black when I am clean. What am I?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Decode below rebus
D
N
A
T
S , D

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?