The challenge here is to count the number of watermelons in the picture. Test your attention to detail with this brain teaser puzzle. Your time starts now! Look at the image and study it carefully.

This collection of Halloween word searches is a perfect activity to get you and your family in a witchy mood. These puzzles ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.

In total, the number of triangles visible through the security cameras is six, giving us the first digit in the puzzle: 6. The second clue points to a series of potted plants in a hallway to the ...

Here’s your task: find the number 98 hidden among a bunch of 93's. This puzzle may seem simple at first, but it's designed to test your brain's ability to process subtle differences under pressure.

(Also read: You've got a genius-level IQ if you can figure out the total number of ducks in this tricky brain teaser) Ducks dilemma: Another puzzle leaves users guessing Previously, the same user ...

A children's puzzle which seems 'impossible to solve' has left adults baffled. It features 11 bags varying in colour and pattern and the puzzle question asks: "Only two of these handbags are the same.

The largest known prime number has been discovered by an amateur researcher and former Nvidia employee. The new number is 2 136,279,841 – 1, which beats the previous title holder (2 82,589,933 ...

While cannabis has historically been more popular with younger groups, a growing number of older adults are turning to the drug for a variety of reasons — but are the potential benefits worth ...