MBA preparation varies which exam you are focusing on like CAT, XAT, MAT etc.

Books recommended for CAT(national level exam):

List of a few important books according to the sections is given here:-
How to Prepare for Quantitative Aptitude for the CAT Common Admission Test 5th Edition (Paperback) by Arun Sharma, Publisher: Tata McGraw Hill 2012 Rs. 625, 2012 edition
Quantum CAT: Quantitative Aptitude Common Admission Test for Admission Into IIMs (Paperback) by Sarvesh K Verma Publisher: Arihant, Rs. 650, 2013 edition.
How to Prepare for Data Interpretation for the CAT Common Admission Test 1st Edition (Paperback) by Arun Sharma Publisher: Tata McGraw-Hill Rs. 550, 2012 edition.
The Pearson Guide To Verbal Ability And Logical Reasoning For The CAT 1st Edition (Paperback) by Nishit K. Sinha Publisher: Pearson, Rs. 599, 2012 edition.
Books recommended by toppers:

How To Prepare For DI & Logical Reasoning by Arun Sharma
The Pearson Guide to Data Interpretation and Logical Reasoning for the CAT (With CD) by Nishit K. Sinha Publisher: Pearson
NCERT Mathematics books for 8th, 9th & 10th standard
CBSE Mathematics books for 8th, 9th & 10th standard


Give Mocks, section wise mocks analysis is what will help you build your concept from basics.
Good Luck.