What does below rebus means ?

Look at the picture and find out which square is not linked with any of the other squares.

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

What goes through cities and fields, but never moves?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

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?

How many times in a given day, minutes and hour clock comes in a straight line ?