Find the value of "?" in the ball picture Riddle below:

Prove that the below maths equation is true.

8 + 8 = 91

What is the next number in this matchsticks series riddle?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Can you identify the hidden rebus in the image below?

What is the next number in this series?

4,12,84,3612....

Replace the question mark with the number below given a simple math problem.

Spot what is wrong here in below Picture?

There were five men at church, and it started raining while they were outside. The four that ran still got wet, but the one that was still stayed completely dry. Why did he stay dry?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.