we need more to it. that wont get you answer you are looking for.
The number that is not like the others is 16. All of the other numbers are divisible by 3. (21/3 = 7, 15/3 = 5, 6/3 = 2, 27/3 = 9)
Translation:
"How is the weather today?"
"It is bad weather."
Answer:
More than half of the surface of Colombia is unpopulated.
Explanation: