The brain teaser that challenges people to solve a maths question without using a calculator was shared on Twitter. Are you up for the challenge?

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?

People who solve particularly hard problems, like physicists and mathematicians, are especially known for using their unfocused minds for breakthrough problem-solving.

Only a genius can solve this baffling maths problem without using a calculator How good are you at maths?

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