Are you confident in your maths skills? If so, try to solve this brain teaser in five seconds or less without using a calculator.

News Weird News Brainteasers Only a genius can solve this baffling maths problem without using a calculator How good are you at maths? This seemingly simple maths sequence challenges you to work ...

Every so often its good to exercise your brain with a math problem or two that forces you to recall principles you learned decades prior. Can you solve 5+5x5+5 without a hitch?