Answer:
They are two brothers. However much they run, they do not reach each other.
Where is the ocean deepest?
How many bricks does it take to complete a building made of brick?
Remove 'Y' and you do this with apparel. Remove 'E' and I am cautious.
A blue man lives in the blue house. A red man lives in the red house. Who lives in the white house?
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.