What is full of holes but still holds water?

Which of the below owl is odd one out?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

Who can jump higher than a Mountain?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

I add 5 to 9 and get 2. The answer is correct, so what am I?