Answer by Daniel McLaury, Ph.D. Student in Mathematics, on Quora, I'll think about this question in terms of the U.S. population, because that's easiest for me to picture in my head. There are around ...
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 ...
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