So, the difference between their age is given by => 31 – 8 = 23 years. Now, let the age of his father be 'x'. Let the age of his son be 'x-23'. Also Read: Math Riddles with Answers: Logic Puzzles That ...

The listing for the answers was priced at 100 yuan on one e-commerce platform. - LIANHE ZAOBAO via ST/ANN SINGAPORE: The answers to a prestigious US mathematics competition popular among Singapore ...

A brain teaser that was shared on Instagram’s text-based conversation app, Threads, has started a conversation about the correct answer. The maths test challenges users to find the value of the number ...