I SEE SAMPLE PAPER OF ORS SHEET 2011 . THERE WHAT IS THE MEAn of School/Class/Batch and Subject. 2. IF my paper code is 3 in booklet then hiw I show it two col. 03 or 3

My rank is 29k, General, should I opt for any state college cse branch or some Nits in which in which I am getting ECE , chemical, mechanics etc....

 

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Sum of series 2[n/2] ! [n/2]!/ n! [2Co-2C2+3C2....+[-1]^n[n+1]2Cn] where n is an even positive integer. Kindly provide solution of this question and how to generalise this. How do we know that which expansion will give this?

I m foreigner,How much mark i need to get into IIT??