RRB Logical Reasoning. Best for Exams - UPSC, SSC, IBPS, IAS, PCS, RRB, NICL, IFS, IPS etc. Features: 1) This Logical Reasoning app is specially made to prepare for exams. 2) Detail Solution for every question. 3) Check Answer after every question. 4) RRB Logical Reasoning solutions. 5) Reasoning question and answer with mutiple choice.