If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Can you count the number of quadrilaterals in the picture below?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

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.

How many letters are in the alphabet?

John was piloting a plane behind a car but was never able to overtake it. Why?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?