Is it neccessary to solve all questions from excercise of reference books for preparation of gate?

Question

I have been reading the reference books for gate preparation .

I try to solve the excercise questions as well.It is consuming lot of time and some are really hard to solve it.

 

Is is neccessary to solve all excercise questions?

Comments

Textbook reading should be done for understanding purpose..Having done that u should do the previous year questions.If u have time after that , then u can solve exercise questions of textbook..

And after that some test series should be enrolled in for time management and temperament improvement purpose..

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Thanks a lot for your anwser