In a car exhibition, seven cars of seven different companies viz. Cardilac, Ambassador, Fiat, Maruti, Mercedes, Bedford and Fargo were displayed in a row, facing east such that :
  1. Cardilac car was to the immediate right of Fargo.
  2. Fargo was fourth to the right of Fiat.
  3. Maruti car was between Ambassador and Bedford.
  4. Fiar, which was third to the left of Ambassador car, was at one of the ends.
Which of the following is definitely true ?

Answer: B. Cardilac car is to the immediate left of Mercedes.

We analyse the given information as follows :
Arranging the cars from left to right as per the information, we have :
Fargo and Cardilac
Fiat, Car, Car, Car, Fargo
Maruti between Ambassador and Bedford.
Fiat, Car, Car, Ambassador.
Knowing that Fiat lies at one of the ends, we have from left to right :

1 2 3 4 5 6 7
Fiat Bedford Maruti Ambassador Fargo Cardilac Mercedes

 Clearly, the Cardilac on the sixth place, is to the immediate left of the Mercedes, on the seventh place.