9 Riddles That Will Boost Your Thinking Skills

Scientists have proven that riddles help you boost your thinking abilities and improve your attention span. Are you ready to solve some tricky puzzles to flex your brain muscles?
SUMMARY
-Can you tell which glass has more water in it?
-Can you find all the things in the picture?
-What figure should replace the question mark?
-Can you find a totally symmetrical cross in this picture?
-Can you tell which of the spirals consists of 2 separate parts?
-Can you find a perfect 4-point star among the squares and triangles?
-Try to find the 4 pairs of hearts intertwined in each other.
-Can you tell which way the bus is moving?
-How many cups can teapot B contain?