Prep Library
Assessments
Online assessments and take-homes by format — each with a sample task, a solution approach, and timing tactics.
Formats
Overview
Formats covers the range of pre-interview and take-home evaluations — timed coding challenges, MCQs, debugging tasks, SQL and data exercises, product cases, writing samples, and presentations. Each format rewards a different strategy, from raw speed to polished, production-quality work.
Sample task and solution approach for HackerRank.
Sample task and solution approach for CodeSignal-style.
Sample task and solution approach for Take-home assignment.
Sample task and solution approach for Timed MCQs.
Sample task and solution approach for Debugging task.
Sample task and solution approach for SQL challenge.
Sample task and solution approach for Data analysis task.
Sample task and solution approach for Product case.
Sample task and solution approach for Writing sample.
Sample task and solution approach for Presentation task.