Yes , you can perpare for the Quantitative, General and Mental Ability section of UPSC CAPF Examination from any standard Quant and DILR Books like Arun Sarma, Sarvesh Verma or R.S. Agarwal. R.S. Agarwals book is perhaps one of the standard books and is referred by candidates sitting across examinations like CAT, SBI PO, RRB, SSC CGL, etc.

For more information about UPSC CAPF and preparation resources do follow the link below

https://competition.careers360.com/articles/capf