Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

I am quite hot but become too cold if you remove the first two letters. What am I?

Can you count the number of triangles in the given figure?

Can you decipher the below rebus?

PBLUESAISNUERSES

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

What brings you down but never up?

How many bananas can you eat if your stomach is empty?

Different lights make me strange by changing me into different sizes. What am I?