February 22, 2017

Homework Help: Maths

Posted by Jane on Wednesday, February 3, 2010 at 2:00pm.

"How old are your three children?" the maths teachers ask a former student. He is told their ages add to 13, and multiply to give the number on his study door (which they can both see). "i will need to know more", the master days, after a few moments relfection. "the eldest one is learning to play the violin", replies his former pupil. "ah! in that case i can now give you their ages", the master tells him, and does so correctly. How does he know? what are their ages? what is the number of the door?

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