New Delhi, May 21 -- If you like a good mental challenge every day, these brain teasers are perfect for you. These short puzzles will test your quick thinking, pattern spotting, and memory. All of these are signs of a high IQ. If you're good at solving brain teasers like today's, it probably means you have sharp observation skills and think fast.

These mental skills are especially useful in careers such as science, law, chess, and even air traffic control. These jobs need clear thinking, fast decisions, and the ability to ignore distractions. And with just a 5-second timer, this puzzle really puts your brain to the test!

In the image above, you can see two women at the checkout. Both are wearing similar uniforms. One woman (let's call h...