How many wheels does a bullock cart have ?

 Which can take us very fast in a very short time?

Goods and letters are also sent by:

 Bicycles, rickshaws, buses and cars are used to go from one place to another and they are known as:

What is common to all the means of transport on land?

Which of the following can take us to very far distance in a very short time?

Helicopters and aeroplanes are called :

Trains arrive at and leaves from:

The whole length and breadth of the country is connected with a net work of :

Which of the following stop at sea ports along the way?