Multiple choice general knowledge Pick the odd company out TATA Consultancy Services (TCS) Cognizant Technology Solutions (CTS) Oil and Natural Gas Corporation Limited (ONGC) Infosys Technologies Limited Reveal answer Fill a bubble to check yourself C Correct answer Explanation TCS, CTS (Cognizant), and Infosys are all major multinational Information Technology (IT) services and consulting companies. ONGC, on the other hand, is a public sector petroleum exploration and production company, making it the odd one out.