VinSol Software Trainee interview questions

1.how many square are formed in chess board 2.Geek got kidnapped by a gangster. The Gangster puts two bullets in consecutive order in an empty six-round revolver, spins it, points it at her head and shoots. She is still alive. The Gangster then asked her, “Do you want me to spin it again and fire or pull the trigger again right away?” 3.print a pattern 1 1*3*1 1*3*5*3*1 1*3*5*7*5*3*1 1*3*5*7*9*7*5*3*1 4.Rail Fence Cipher code it for input n 5. graph problem