Abstract: Since it is difficult to obtain the number of sources accurately in practical situations, direction-of-arrival (DOA) estimation methods without the number of sources are very much needed for ...

Challenge your observation skills with this number-based optical illusion! A grid filled with the number 82 hides a single 28. Test your concentration and attention to detail by spotting the hidden ...

Optical Illusion Puzzles have intrigued and baffled us for centuries. These mesmerising images challenge our perception, showcasing how our brains process visual information in remarkable ways. These ...

Look closely at the image full of repeating ‘59s’ stacked in neat rows with a bright yellow background. Your challenge: spot the single ‘95’ hidden somewhere in the grid. But there is a catch, you ...

Being able to spot what's wrong in an image can be a sign of excellent problem-solving skills and good cognitive function. It means you're able to process information quickly and find the anomaly in a ...

An optical illusion challenges viewers to find a non-animal word hidden among repeating animal names like Dog, Cat, and Cow. The task requires careful attention to detail, as the word 'House' is ...

A brain teaser is a short, playful puzzle designed to make your mind stretch and smile. It could be a riddle, a tricky question, a visual illusion, or a logic twist that nudges you to think beyond the ...

Our eyes naturally skim patterns. When every cell shows the same three digits, the mind quickly assumes uniformity and stops checking closely. Psychologists say this is tied to “visual search fatigue, ...

You can find your PF (Provident Fund) account number by checking your salary slip, contacting your employer’s HR department, logging into the EPFO portal using your Universal Account Number (UAN), or ...

The Employee's State Insurance Corporation (ESIC) acts as a social safety net in India, providing healthcare and financial benefits to registered employees. ESI registration offers you a range of ...

Optical illusion: What to do? The players have to spot the odd number ‘1222’ out of a sea of ‘1212’. The real challenge here is that there are two ‘ 1222’ in this image and you only have 10 seconds to ...