One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

What is the word or phrase below?
R | E | A | D

Which is heavier: a ton of bricks or a ton of feathers?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

I have branches, but no fruit, trunk or leaves. What am I?

Imagine you are in a room with no windows or doors. How will you get out?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?