3 Volumes of GATE Overflow previous year questions with solutions for GATE CSE 2019 - 3 separate books in a single packet. Includes all previous GATE CS papers from 1987 + 5 years of IT papers + standard questions from exams like TIFR, ISI etc. The books are printed in superior quality ART paper with QR codes being present for any reference links as well as discussions. All previous year GATE questions included from CS and IT from 1987 3 Separate Books which includes a total of 1006 + 1091 + 1128 = 3225 questions All questions answered and some have multiple methods for answer QR code is present for all questions which leads to GATE Overflow page for past and present discussions QR codes also present for any reference links. All answers are in the book itself after respective topic questions, QR codes are for seeing further discussions happening on GATE Overflow site.