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Please post the complete question and that too one at a time.

I personally fell Resonance is better.

No comments dear, wait for the results and then post your query, we'll sort out something.

They are not the coordinates, but they are minimum and maximum values of y for different values of x.

minimum value is 0 and maximum value is unbounded, it can go to infinity.

so thats how the range is defined.

I agree with Ankur, VMC is one of the best institutes in India. But Ramaiah is also good.

Please post a meaningful question.

All of them are good but as far as JEE is concerned go for Arihant.

Good work conjurer.

These predictions make very little sense to me, calm down, be easy, wait for the results and then see your options.

Check this :

http://www.goiit.com/posts/list/inorganic-chemistry-to-learn-inorganic-51294.htm

Whether you take correspondence or not it doesn't matter a lot but the books are must. First go through basic books (NCERT, H C Verma etc.) and make your basics strong then only you can move forward to solve tougher problems.

Biki is absolutely correct.

If we apply concept of relative velocity, relative speed of A ert B along AB is v and relative displacement when they meet is a. By symmetry all particles meet at centre.

time taken = rel. displacement / rel velocity = a/v

Its around 500 marks but still we can't rely on predictions, the only thing you should keep in your mind is to give your best possible shot.

To have an idea check this :

http://ccb.nic.in/OrCr06/eng/orcr.htm

Calm down dear. Just wait for some time, results are not too far. In the meantime prepare for other exams.