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 Adam and Eve do not have but the rest of the people have?

It is always ahead of me yet I can never see it. What is it?

What is common among 11, 69, and 88?

Prove that twice of ten is the same as twice of eleven.

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game.

How ?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

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