Can you find the key 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.
Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?
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?
Can you identify the direction in which this bus is moving; left or right?
Hint: The bus is moving on the roads of London.
Here is a mathematical expression that also secretly tells a movie name. What movie is that?
