Welcome to Radzi’s Riddles and Puzzles! Each week Radzi challenges YOU to attempt to beat his tricky riddles and puzzles.Come back to the Blue Peter website each week on Monday for a new selection.

Math Riddle Challenge: Can you solve this Teddy Puzzle In 30 Seconds? Test Your IQ and sharpen your brain with this cuddly maths riddle. Math riddles can make you brighter and sharper. How?

If you think you are a genius try solving this riddle in 30 seconds. The riddle puts up a question of “who is the smartest primate?” This riddle was posted by an Instagram page @brainy__exercise.

Welcome to Radzi’s Riddles and Puzzles! Each week Radzi challenges YOU to attempt to beat his tricky riddles and puzzles.Come back to the Blue Peter website each week on Monday for a new selection.