Can you find out which options fits best with the missing column?

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

I don't get anymore wetter, no matter how much rain falls on me.