Riddle 1: If you throw a red stone into the blue sea what it will become?
Answer: It will Wet or Sink as simple as that.
Riddle 2: What looks like half apple?
Answer: The other half.
Riddle 3: What can you never eat for breakfast?
Riddle 4: What happened when wheel was invented?
Answer: It caused a revolution.
Riddle 5: Bay of Bengal is in which state?
Answer: Liquid State.