hey there,

cat ,xat and snap are highly one of the most competitive exams in our country  where Around 2 lakh candidates appeared for the exam. the number of seats being limited makes it more competitive

but through right effort and hard work anything is achieved

best book for the above exams

Verbal Ability

• Word Power Made Easy- Norman Lewis
• Mastering the Verbal Ability  by Ajay Singh
• High School English Grammar  Wren and Martin

Logical Reasoning

• A Modern Approach to Verbal & Non-Verbal Reasoning- by R.S. Aggarwal

Quantitative Ability (QA)

• Quantitative Aptitude  Sarvesh Verma
• RS Aggarwal's Quantitative Aptitude

these are quite popular books used by multiple people after solving the books try solving as many sample papers as possible .

good luck