I want jee main paper 2 (b arch) maths and aptitude solution.

For paper 2 in jee mains , for B.Plan and B.arch,
Books and mock test are very important for exam and also follow the syllabus .

For mathematics

11 and 12 th book are most important
11 & Class 12 - R. D. Sharma
Algebra -Arihant
Maths for Class 11 & Class 12 -R. S. Agarwal
Vector - Shanti Nayaran

For general aptitude
A Complete Self Study Guide for B. Arch by PK Mishra

Guide to B. ARCH Entrance Examination with solved paper

Steps to Architecture NATA and JEE Mains Entrance Exam Guide By R Gupta

Architecture Entrance Book by P.K. Mishra.

Arihant B-arch self study guide

For more information about jee mains paper 2 you can visit here
https://engineering.careers360.com/articles/jee-main-paper-2-syllabus

https://engineering.careers360.com/articles/jee-main-paper-2-analysis

Thank you. I hope this answer helps you.