XAT Scan – 2: If the mechanic selects one faulty machine and one proper working machine then how could he find the faulty from the remaining two machines Reply
With one fine and one faulty he cannot – those are the 4 unsatisfactory cases out of 6….PR, PS, QR, QS. regards J Reply
CAT-holics 
XAT Scan – 2: If the mechanic selects one faulty machine and one proper working machine then how could he find the faulty from the remaining two machines
With one fine and one faulty he cannot – those are the 4 unsatisfactory cases out of 6….PR, PS, QR, QS.
regards
J
Nice questions.
Managed to evade both the traps only because of the forewarning in XAT Scan 1.