What building has the most stories?

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?

How many triangles are there on the puzzle below?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

Why did Navjot Singh Sidhu put the new January calendar in the freezer

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?