Kailash's son's uncle — Kailash's brother. So. the old man's son is Kailash's brother 

i.e., the old man is Kailash's father. 

1 does'nt provide a strong reason in upport of te statement.Also ,it is not possible to analyze the reallydeserving and not deserving.So 2 holds true

Free passes given to the railway employees is a privilage to them not their right.So 1 does'nt hold and 2 is vague

The awards are given to the individual perfection and excellence.So only 2 holds

Since Harsh has no brother or sister, so he is his father's only son. Now, wife of my father's son — my wife. 

So, Harsh's wife is the man's mother or the man is Harsh's son. 

Asha's mother's mother is man's mother i.e.. A.sha's mother is man's sister or Asita is man's niece. 

a.) Testing and Debugging 

Testing is process of verifying if the application matches requirements and reporting bugs; Testing is usually done by an independent testing team while debugging is a process of finding and fixing bugs with the intention of reducing bugs; Debugging is usually done by the programmer.

b.) Two tier and Three tier architecture

In a two tier architecture there is a data server and a client application. Client application directly accesses the server data. In a three tier architecture there is a data server, a client application and a server application. Client application calls the server application which in turn fetches data from the data server and returns back to client application.

c.) Alpha testing and Beta testing

Alpha testing is conducting acceptance testing in the environment where the application was developed. It is done by the customer. Beta testing is conducting acceptance testing is the customer environment. It is done by the group of customers or users who will actually be using it.

d.) Static testing and dynamic testing

Static testing is checking the application without actually running the application whereas dynamic testing checks the application by running it.

Software testing is verifying if a software meets the customer's requirements; if it has high quality; if it is bug free and if it is fit for use. Testing is important because it ensures that the product delivered is defect free which in turn emphasizes higher quality and proves to be cost effective.