Are there books that goes more deeper than R.D.Sharma maths book?[standard 9 and10]?

Question

i am preparing the basics of IIT. i find R.D.Sharma's a bit easier.

Though it refer it i am not able to compete with my friends when the subject goes much broader..........I am even in search of physics books that has Olympiad portions.

Answer 1

for 10 i would say concentrate on your text books.they  are enough to get 90+ . for iit start preparing from 11 class. it is not too hard. the advice which i have given u regarding 10 class follow it. because i too have committed the same mistake and got90%