In which odd the following Pairs.

A group of 1600 persons consisting of captains and soldiers is travelling in a train. For every 15 soldiers there is one captain. The number of captains in the group is?

Which of the following group represents all such Scientists who are Government employees as well as employed with Company X?

Six girls are standing in a circle facing the center. Bindu is at the left of Biji. Rekha is between Bindu and Mumtaz. Jessa is between Biji and Nirmala. Who at the left of Mumtaz?

Ashok walked five metres towards East and took a right turn and walked 10 metres and again he took a right turn and walked 15 metres. Which direction is he facing now?

DIRECTIONS: Study the following arrangement carefully and answer the questions given below.
W 3 # R @ E J K T 4 B 9 I H D U 8 1 H % A V 5 δ 7 M P 2 Q $ 6

Which of the following is the sixth to the right of the twenty-first from the right end of the above arrangement?

Yard is to inch as quart is

In a class of 26 students, 14 have cats, 10 have dogs and 5 have parrots. If 4 have dogs and cats, 1 has dog and parrot, 3 have parrots and cats and no one has all the three. How many have none?