Observation Test: If you have an eagle eye, find the number 57 in 12 seconds. There is 1 month by Evelyn Archer

Amazing math brain teaser: can you find the missing number in 20 seconds? There is 1 month by Evelyn Archer

Brain observation test: If you have eagle eyes, find the number 4906 between 2906 in 12 seconds. There is 1 month by Evelyn Archer

Intelligence test: if you have a good eye, find the missing number in this brain teaser. There is 1 month by Evelyn Archer

Observation test: if you have a good eye, find the number 348 among 345 in 20 seconds. There is 2 months by Evelyn Archer

Observation test: If you have sharp eyesight, find the number 41 in 20 seconds. There is 2 months by Evelyn Archer

Brain observation test: If you have hawk eyes, find the number 884 in 15 seconds. There is 2 months by Evelyn Archer

Brain observation test: If you have keen eyesight, find the number 93 among 95 within 20 seconds. There is 2 months by Evelyn Archer

Brain observation test: if you have a keen eye, find the number 888 among 838 in 15 seconds. There is 3 months by Evelyn Archer

Challenge for brilliant minds: can you find the value of each element? There is 3 months by Evelyn Archer

Visual challenge: can you find the element that does not match the image? There is 3 months by Evelyn Archer