Visual tests and brain teasers are good food for the brain. If you’re an avid fan of odd-one-out challenges, then you probably still feel like lots of practice is not enough. If you don’t have sharp eyes, then this might not be for you – but who knows? Try completing this in one minute!

Test 1:

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Test 3:

Test 4:

Test 5:

Test 6:

Test 7:

Test 8:

Test 9:

Test 10:

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