As you want to start preparation for CAT Entrance Test for admission in MBA Course, so you should purchase these guide books for preparation:

Best Guide Books for Preparation of CAT Entrance Test

FORMULAE MATHEMATICS: Formulae, Definitions , Equations Dictionary Paperback – 12 Mar 2012
by GKP (Author)
Rs. 85/-
Publisher: G.K. Publications Private Limited (12 March 2012)
Language: English
ISBN-10: 8183553192
ISBN-13: 978-8183553193

Mathematics Formulae & Definitions (RPH Pocket-Book/Handbook Series) Paperback – 2016
by Ramanand Thakur (Author)
Rs. 28/-
Paperback: 432 pages
Publisher: RPH; 14 edition (2016)
Language: English
ISBN-10: 8178125250
ISBN-13: 978-8178125251

A Modern Approach to Verbal & Non-Verbal Reasoning (Old Edition) Paperback – Illustrated, 31 Jan 2010
by R.S. Aggarwal (Author)
Rs. 555/-
Reading level: 6.00 - 8.00 years
Paperback: 912 pages
Publisher: S Chand; Revised edition edition (31 January 2010)
Language: English
ISBN-10: 8121905516
ISBN-13: 978-8121905510

How to Prepare for Quantitative Aptitude for the CAT Paperback – Jun 2016
by Arun Sharma (Author)
Rs. 506/-
Paperback: 896 pages
Publisher: Mcgraw Hill Education; Seventh edition (1 June 2016)
Language: English
ISBN-10: 9352602242
ISBN-13: 978-9352602247

A Modern Approach to Logical Reasoning Paperback – Jan 2007
by R.S. Aggarwal (Author)
Rs. 132/-
Paperback: 234 pages
Publisher: S Chand; 1st edition (1 January 2007)
Language: English
ISBN-10: 8121919053
ISBN-13: 978-8121919050

How to Prepare for Logical Reasoning for the CAT Paperback – 11 Jul 2016
by Arun Sharma (Author)
Rs. 345/-
Paperback: 680 pages
Publisher: McGraw Hill Education; Third edition (11 July 2016)
Language: English
ISBN-10: 9352602234
ISBN-13: 978-9352602230

How to Prepare for Data Interpretation for CAT Paperback – 30 Jul 2016
by Arun Shrama (Author)
Rs. 451/-
Paperback: 768 pages
Publisher: McGraw Hill Education (30 July 2016)
Language: English
ISBN-10: 9352602250
ISBN-13: 978-9352602254

Quantitative Aptitude Quantum CAT Common Admission Tests for Admission into IIMs Paperback – 2017
by Sarvesh K. Verma (Author)
Rs. 499/-
Paperback: 1142 pages
Publisher: Arihant Publication; Seventh edition (2017)
Language: English
ISBN-10: 9311123870
ISBN-13: 978-9311123875

Logical Reasoning and Data Interpretation for the CAT Paperback – 27 Jun 2016
by Nishit K. Sinha (Author)
Rs. 329/-
Paperback: 664 pages
Publisher: Pearson Education; Fifth edition (27 June 2016)
Language: English
ISBN-10: 933257121X
ISBN-13: 978-9332571211