For the answer of the first question u may see this link..
http://www.targetiit.com/iit-jee-forum/posts/why-these-products-14443.html
3 Answers
govind
·2010-02-28 04:50:30
swaraj jena
·2010-02-28 22:22:27
there was also no explanation
I m not needing the answer but needing explanation