Answer:
What can be heard and caught but never seen?
Brown I am and much admired; many horses have I tried; tire a horse and worry a man; tell me this riddle if you can.
RUGBY = 9, TENNIS = 14, FOOTBALL = 12, HOCKEY = 16, SWIMMING = ?
What's a place you have left but didn't enter?
At first, I am nothing. Add something to negate. Add again to oppose. Add again to find the time to draw. Add once more to find nobody at all.
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.