The latest brainteaser sweeping the web has left even the most eagle-eyed of puzzlers feeling perplexed. The graphic, created by Smartcard Store, features an ocean of locked padlocks and asks netizens to spot the one which is open.

But with hundreds positioned at different angles in the busy image, the task is trickier than it may initially seem. According to experts, the current record stands at nine seconds – but can you do any better when you give it a whirl?

Give up? If the answer is yes, the much sought-after object can be found towards the left-hand side of the hectic image. Another seek-and-find puzzle stumping the nation challenges you to find the puppy hiding in a crowded dog park.