What country can make you shiver?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

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?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

I taste better than I can smell. Who am I?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

What is both possible and impossible at the same time?

What type of tree can I carry in my hand?

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

A sundial has the fewest moving parts of any timepiece. Which has the most?