Hello Aspirant,

Some books which are the best for nimcet are as below:

• By J B Dixit, Ruchi Sharma, Ashish Mangal
• Upkars MCA Test
• By A Team of Experts
• Arihant MCA Entrance Test (Self Study Guide)
• By Amit M. Agarwal
• Mathematics General Aptitude Books
• Barron's Military Flight Aptitude Tests
• By Terry L. Duran
• The Aptitude Test Workbook
• By Jim Barrett
• Numerical Ability & Mathematical Aptitude
• By Dr. A.B. Rao

Hope this helps

Good Luck