TCS Reasoning Quiz-1

On this island, there are three types of people. Knights, who always tell the truth, knaves, who always lie, and spies, who can do either. In these puzzles, you meet three people, one knight, one knave and one spy. The challenge is to determine who is who. A says "I am a Knight" B says "A is a Knight" C says "If you asked me, I would say that A is the spy"

who is a??

In 2003, there are 28 days in February and there are 365 days in the year. In 2004, there are 29 days in February and there are 366 days in the year. If the date March 11, 2003 is a Tuesday, then which one of the following would be the date March 11, 2004 be?

If two three and four cuts are made parallel to different faces of a cube, then what is the number of identical pieces obtained?