Answer:
What happens once in June twice in August and never in May?
I walk on 4 legs in the morning, 2 legs at noon, and 3 legs at night. What am I?
I am an instrument capable of making numerous sound but cannot be touched or seen.
I am a red drum which sounds without being touched, and grows silent, when touched. What am I?
What has no beginning, end, or middle?
When is it bad luck to see a black cat?