CAT (DILR) PYQs

Who among the following four is not a member of Team 2?

Suppose that car 4 is not the first car to leave and that the sequence at a time between the arrival of the car 7 and car 8 is V, 7, 3, 6, 5. Then which of the following statements MUST be false?

If contamination level at P15 was recorded as medium, then which of the following MUST be FALSE?