What number should come in place of the question mark below?

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?

Replace the question mark with the correct number below.

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Find the missing number in the image below.

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

I always drive my customer away.

Who am I?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?