Elementary Brain Teaser

Fun and accessible problems for younger students or beginners. Posted every Monday, these weekly brain teasers kickstart your week with a mental warm-up.

Not 40

Posted: January 22, 2024

80 % of users got this correct

You were asked by your math teacher to subtract five from a certain number and then divide the result by 10. By mistake, you subtracted ten from the given number and then divided the result by five giving a final answer of 40. What would your answer have been if he had followed the directions correctly?

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