Unanswered Past Iit Jee Question Questions

For th efunction f(x) = x cos 1/x , x>=1 A) for atleast one x in the interval [1,∞), f(x+2)-f(x)<2 B) lim x->∞ f'(x) = 1 C) for all x in the interval [1,∞) , f(x+2)-f(x) >2 D) f'(x) is strictly decreasing in ...

cn ne1 tell me where 2 iitjee 2010 unsolved paper... im gettin only solved ones!!! ...

Which is best book containing Mock tests for IITJEE of approximately same level as JEE... Pls help! ...

Well sir/madam i would like to ask you that in the current year 2016 i appeared for jee mains but was unsuccessful to clear it however i cleared VIT univ exam and even got my trait there but i can't choose wheather to drop an ...