What is wrong in the below Picture?

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

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

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.

Can you Find and name the hidden bird in the picture below ?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

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

Can you count the number of children in the picture below

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

Can you solve the maths in the below-given picture equation?