Flight Crew brain teaser

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In a certain flight crew, the positions of Pilot, Copilot, and Flight engineer are held by 3 persons Mario,Dan, Charli, though not necessarily in that order.

1. The copilot, who is the only child, earns the least.
2. Mario, who married Dan’s sister, earns more than the pilot.

WHAT POSITION DOES EACH OF THE 3 PERSON HOLD?

SherlockHolmes Expert Asked on 17th October 2017 in

Mario is the Engineer, Charlie the Co-pilot and Dan is the Pilot.

Working out:

Statements:

1. The copilot, who is the only child, earns the least.
2. Mario, who married Dan’s sister, earns more than the pilot

(a) From (2), Dan has a sister, which means he’s NOT the co-pilot (because the co-pilot is an only child, from (1)).
(b) Further, Since Mario earns more than the pilot, he also CAN’T be the co-pilot (because, as per (1), co-pilot earns the least.)

From (a) and (b) above, Charlie is the only possible candidate for copilot post.
Now, the only remaining persons are Mario and Dan, and the remaining posts are pilot and engineer.

Since, as per (2) Mario earns more than the pilot, he can’t be the pilot, which means that he is the Engineer, and Dan, the Pilot.

Viji_Pinarayi Expert Answered on 17th October 2017.

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