NTT DATA FA Insurance Systems Developer interview questions

3 Rounds including GD 1st Round was a GD (of 12 people group) 2nd Round was Technical interview with questions based on CV only 3rd Round was HR interview where some puzzles was asked which can be found at Geeksfor Geeks

They had three rounds 1. Aptitude 2.Technical 3.HR They used the AMCAT platform for aptitude round. In the technical round they asked me to write a program to swap the values of two variables without using a temp variable and in the HR round they asked simple questions about me and where I am from.