DSA interview questions, aptitude formulas, HR interview answers and a placement roadmap for campus and off-campus hiring.
A 46-page playbook for engineering freshers: a 30-day AI skills track, three portfolio projects recruiters open, an off-campus job-search system with message templates, and the interview minimum for DSA, CS fundamentals, AI and HR.
Premium packPDFBeginner
Every formula from our quantitative aptitude guide on a printable PDF: percentages, interest, ratios, time and work, speed and distance, permutations and probability.
Free PDFPDFBeginner
The HR questions freshers commonly face in campus and off-campus interviews, grouped by theme. For each one: what the interviewer is checking, a simple structure for your answer, and a short sample answer to adapt to your own experience.
GuideWebBeginner
A 90-day plan for campus placements in seven stages: DSA foundations, core patterns, CS fundamentals, aptitude, projects and resume, mock interviews and final revision. Each stage says what to do and how to tell when you are ready to move on.
RoadmapWebAll levels
A formula sheet for the quantitative section of placement aptitude tests, from percentages and interest to time and work, speed, permutations, probability and number system, with a worked example for each topic.
GuideWebBeginner
30 array questions that come up again and again in placement coding rounds, grouped into five patterns: two pointers, sliding window, prefix sums, hashing, and intervals and sorting. Each has a LeetCode link, the approach, a Python sketch and its complexity.
Practice sheetWebAll levels