Competitive Mathematics Challenge

Competitive Mathematics Challenge (2026-27 Edition) by Subir Das, published by Chhaya Prakashani, is crafted for candidates aiming to crack national and state-level competitive exams. The book offers an extensive range of topics structured into distinct sections, including Algebra, Arithmetic, Mensuration, Trigonometry, Geometry, and Coordinate Geometry. Each section incorporates shortcut tricks and step-by-step solutions to assist candidates in improving speed and accuracy.  Additionally, it contains dedicated chapters on Statistics, Permutations and Combinations, and Probability, along with Mind Maps for fast conceptual recall. A key highlight is the inclusion of recent previous year question papers (up to 2026) covering SSC CGL, CHSL, GD, RRB NTPC, RPF, Banking, WB TET, and WB Police SI exams. If you are targeting exams across central and state cadres, explore our complete selection of WB government exams books to build a solid preparation routine. Candidates focused on national recruitment drives can also check out our curated range of SSC exam preparation books for top-tier competitive resources.