Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

How many words can a pen with half refill write?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

What can go up a chimney down, but can’t go down a chimney up?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

What does this below rebus puzzle mean?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

You can hear me, but you can't touch or see me.

What am I?