What do you think with the below Picture ?

Replace the question mark with the correct number in below Picture:

When can we add 2 to 11 and get 1 as the correct answer?

How many triangles are there in the picture below?

Can you make four (4) nines (9) equal 100?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

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.

The cream is heavier than Milk. True or False?

Why did the Girl throw the butter out of the window?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months