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

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?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

There is a place where if I stand up straight, I will still be considered sideways.

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Can you spot the hidden girl in the picture below?