In following number series, two terms have been put within brackets. Choose the appropriate option - 15,31,63,127,255,x

B. 511

Choose or find odd word - Kennel , House , Stable , Aviary , Aquarium

B. HOUSE

The number in each question bleow is to be codified in the following code:
Digit 7 2 1 5 3 9 8 6 4
Letter W L M S I N D J B
->  184632

D. MDBJIL

Choose analogous pair - Illiterate : Uneducated

D. VISION : SIGHT

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 groups of cars is to the right of the Ambassador car ?

C. MERCEDES, CARDILAC AND FARGO