What is full of holes but still holds water?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

What kind of band never plays music?

People make me, save me, change me, raise me. What am I?

How many Watermelons are there in the below picture?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

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?

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

Prove that the below maths equation is true.

8 + 8 = 91