Can you place six X (crosses) in below board without making three in a row in any way ?
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.
Remove two matchsticks to make the below equation correct.
Solve this riddle by finding the odd one out from the rest.
Can you solve the maths in the below-given picture equation?
Can you find the hidden animal in the picture below?
Can you count the number of quadrilaterals in the picture below?
Out of four images which one is the odd one out?
Move four matchsticks to the below square to form three squares?
What do you see in the given picture?
In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?
In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.