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 ...

This is a collection of math quizzes for those among you who want to see if you remember all the math you learned in elementary, middle, and high school. Not just one quiz, but many! Have fun, nerd. 1 ...

Explanation: To kill 7 rats, it would take 7 cats: 7 × 7 = 49 mins To kill 1 rat, it takes 1 cat, that is: 49/7 = 7 mins Since, the job is to kill 100 rats, it would take 1 cat, that is: 7 × 100 = 700 ...

Add Yahoo as a preferred source to see more of our stories on Google. Sorry, it’s math time. But these are some of the easiest math quizzes we’ve ever put on ...