Aptitude Test: This initial round usually includes questions on quantitative aptitude, logical reasoning, and verbal ability. Topics might cover number series, profit and loss, percentages, and train problems. Technical Interview: In this round, candidates are tested on their technical knowledge and problem-solving skills. Questions may focus on object-oriented programming, data structures, algorithms, and specific programming languages like Java or Python. You might also be asked to solve coding problems or explain concepts like pointers, arrays, and linked lists2. HR Interview: This final round assesses your fit within the company culture and your soft skills. Questions may revolve around your resume, your motivations for joining Cognizant, and your career aspirations. You might also be asked situational questions to evaluate your problem-solving and decision-making abilities. The entire process can take about 2-4 weeks to complete. It's important to prepare thoroughly for each stage and be ready to discuss your technical skills and experiences in detail.