What is full of holes but still holds water?

What's the only room from which no one can enter or leave

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

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

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

What is both possible and impossible at the same time?

A mad serial killer kidnaps people and forces them to play the game of 2 pills with them, In this game, there are pills in the table and one of them is normal pill while the other one is deadly poisonous.
The victim will choose one pill and the killer will pick the other pill and both simultaneously will swallow the pill with water.
victim dies every time.

One day the serial killer kidnaps the Joseph and forces him to play the same game with him.

Joseph solves the mystery of the two pills and remains alive.

Explain?

Can you solve the below geography rebus by decoding the below rebus ?

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