GK: How long does it take for light to travel around the Earth?

Question 1: How long does it take for light to travel around the Earth? 
Answer: 13 seconds
Question 2: Japanese encephalitis disease is caused by which micro-organism?
Answer: Due to virus

Question 3: What causes the disease of polio? 
Answer: Due to virus
Question 4: Which animal can sleep while standing? 
Answer: Horse

Question 5: With which animals does the lion never want to fight?
Answer: From rhinoceros and elephant