Greet Technologies Associate Software Engineer interview questions

First, of first they simply take a written test (outputs in C, quantitive, DB). The worst thing for me is that the number of candidates in 1400. And they select 200 approx out of 1400 and then selected candidates faces another written test which was a totally technical test. In this test there were only two questions, One of 10 marks and another is 50. guys these question is similar to hackerearth.com. one of the questions is this