Riddles 4 (With Answers)

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?

Answer: Dinner.

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.