What is full of holes but still holds water?

I am the fastest animal but cannot climb the tree. What am I?

The answer I give is yes, but what I mean is no. What was the question?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

How many sides does a circle have?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?