Answer:
I am always hungry, I must always be fed. The finger I lick will soon turn red.
I run cold and hot, I look blue but am red. What am I?
In a year, there are 12 months. Seven months have 31 days. How many months have 28 days?
It has the biggest wall and is also used when drinking tea.
The more you take, the more you leave behind. What are they?
Why is the letter B always cool?