Only geniuses can solve this without using a calculator

Brain Teaser: Solve this question in less than 10 seconds and prove that you are a maths whiz. (X/@SabaOsmaanqazi) “Can you solve this without a calculator?” reads the caption to this brain teaser shared on X by a user Dr Saba Osmaan. The brain teaser asks a seemingly simple question: ‘Can you solve this?’ the […]