John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

what's the probability of getting a king or a queen from a pack of 52 cards?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

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

In the given picture, in how many ways can you read the word "Tiger"?

Can you start the fire using two pieces of wood?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?