Spot what is wrong here in below Picture?

Can you count the number of lines in the below picture?

Using Only Five 5's and any mathematical operator make sum as 37

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

What word is represented by this rebus?

Can you count the number of triangles inside a triangle?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

A fresher was sitting in an interview. The interviewer said, "This is the last question of your interview. Tell me the accurate position of the centre of this table where your resume is kept."

How can he answer this question? What will you have answered to such a question?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.