Hi,

How to prepare for IIT entrance exam you should follow the following topics given.

Number system, percentage, average, time and work, probability, equations, algorithm, co-ordinate geometry etc. These are some of the topics which are related to quantitative aptitude. Some of the topics related to data interpretation are as follows:- basic of data interpretation,  data sufficiency etc. Some of the topics related to logical reasoning are sequence and arrangement, team selection, etc.

Section 2 will contain the questions of verbal ability and reading comprehension which will include the topics of reading comprehension, para jumble, idioms and phrases,  fill in the blanks etc.

Best book for cracking IPMAT is crack the IIM Indore IPM entrance exam published by Pearson and written by Nishit Sinha.

I hope your question has been answered properly.

All the best for your future!