Complete the table series riddle by finding the number that can replace "??".

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

Which city is three-fifths chick two third cat and 50% goat?

Can it be possible to build a house that has all its four walls facing towards the South?

Can you count the number of lines in the below picture?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

On a special event at the prison, 5 prisoners John, Jacob, Krist, Tang, and Dang given a chance to go to a sauna and can bring one thing with them.

Following are the things that the prisoners bring with them.
John: A soda
Jacob: Thermos
Krist: Book named "How to kill"
Tang: A Walkman
Dang: Harmonica

Since it is a Sauna, no one can see each other. After a while When the steam is switched, Tang was found dead and there was blood all around.
J Bond was called and he instantly come to know who can be the murderer. How?

What runs around the whole yard without moving?