Can you figure out this confusing coffee puzzle?

Kristine Tarbert

If you haven’t had your morning cup of coffee yet maybe get that first before attempting to solve this tricky caffeine puzzle that’s left people stumped.

The brainteaser was shared on Twitter and has left people everywhere scratching their heads to try and figure out the answer.

The image shows a jug of coffee being poured into a group of pipes, all leading to four different coffee mugs.

The challenge is to figure out which of the four cups will get filled up first – number four, five, seven or nine?