Which number is missing on the bottom credit card ... (Hint: It’s “time” for some hard math puzzles.) Answer: 11. Replace the compass rose with a clock on military time.

Math puzzles that challenge you to find missing numbers are not just entertaining ... Every second counts as the clock ticks away. The answer is 3. We have explained the solution below.

Find the missing number puzzles are not just about speed but also about accuracy and the ability to stay calm under pressure. Solving this puzzle requires a unique blend of mental agility ...