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maths question some sort of a puzzle maybe?

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  • maths question some sort of a puzzle maybe?


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Answer #1 | 31/12 2013 02:48
1 hour for 4 men means that the wall takes 4 man hours of work. i.e. it would take 1 man 4 hours (1 x 4 = 4 hrs) or 2 men 2 hours (2 x 2 = 4 hrs), etc. So it would take 5 men '4 divided by 5' hours. This equals 48 minutes. (5 x 48 mins = 4hrs).
Answer #2 | 31/12 2013 02:51
mathematically 4/5 hrs logically no time at all because the wall is already built. TEEHEE
Answer #3 | 31/12 2013 02:51
2 answers Trick Question answer 0 hours the 4 workers already finished it. Maths answer If it takes 1 hour for 4 workers to complete the wall it would take 1 worker 4 hours to do it by himself. Therefore 5 workers would take 4 hours / 5 to complete the wall 4/5 of an hour = 4/5 * 60 minutes = 48 minutes Answer 48 minutes

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