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

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

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

What type of tree can I carry in my hand?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Can you find out the missing number in the grid?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?