Are you confident in your maths skills? If so, try to solve this brain teaser in five seconds or less without using a calculator. Maths brain teasers often leave people scratching their heads. And the ...

Every so often it's good to exercise your brain with a math problem or two that forces you to recall principles you learned decades prior. As elementary as it might feel, you'd be surprised how easy ...

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? Are you feeling bored? Are you looking up for an ...