Count the number of balls in picture below:

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Solve the following series:
AZ, GT, MN, __, YB

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Complete the following series. It.s very logical:

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

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

I am quite hot but become too cold if you remove the first two letters. What am I?