As you want I ma here suggest you good books for Quantitative Aptitude section of IIFT entrance exam for MBA course.

Books :

Quantitative Aptitude for CAT/ XAT/ IIFT/ CMAT/ MAT/ Bank PO/ SSC 2nd Edition


Quantitative Aptitude
Rajesh Balasubramanian



Quantitative Aptitude Quantum CAT Common Admission Tests For Admission into IIMs Paperback
Sarvesh K. Verma




Data Interpretation & Data Sufficiency for CAT/ XAT/ IIFT/ CMAT/ MAT/ Bank PO/ SSC Paperback
Gajendra Kumar