Two in a corner and one in a room-Riddle

Riddle 
Kushal and Jagga were boating when Jagga asks him, Two in a corner, 1 in a room, 0 in a house, but 1 in a shelter. What am I?

    The letter r!

Mindyourlogic Riddle: Answer:
Two in a corner and one in a room-Riddle