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 ...

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, ...

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 ...

To solve this optical illusion easily, keep these points in mind: Do not just skim and scan the image randomly. Follow the pattern, put focus on the image and move your eyes left to right, up to down ...

This fun optical illusion tests your ability to focus! The cluster of related numbers conceals a number. You have only 5 seconds to find it. To uncover the illusion, focus carefully on details, ...

Get ready to test your observation skills with this mind-bending optical illusion! At first glance, the image above appears to be filled entirely with the number 8, row after row, column after column.

A brain teaser is a fun and clever puzzle designed to challenge the way you think. It pushes you to look beyond the obvious and find creative solutions using logic, reasoning, and sharp observation.

Given an array of integers arr, return the number of sub-arrays with an odd sum. A sub-array is a contiguous part of the array. The solution uses a prefix sum approach to efficiently count the number ...

Plains-wanderers are difficult to spot because their feathers serve to help them blend in with Australia's grasslands. JJ Harrison via Wikimedia Commons under CC BY-SA 3.0 The plains-wanderer is an ...