Asked by abhinavsaini123 | 29th May, 2015, 07:55: PM

Expert Answer:

Please ask one query in a single post. The first two questions has been explained in other posts. Please find the explanation for the 3rd question here:

Answered by satyajit samal | 31st May, 2015, 04:54: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.