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Time and work

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VyshakhR1995
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Time and work [#permalink] New post   01 Jun 2017, 19:07
Can anyone suggest an interesting story or spicy problem to take time and work in a class room.
Feel free to put in your suggestions
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jkolachi
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Re: Time and work [#permalink] New post   19 Jun 2017, 13:55
Ok how about this. 10 people start a job and work on a constant pace for 3 days. 5 people then leave, and the rest of the group continues working for another 2 days. Then 2 people join back and continue working for 3 days. Then the remaining 3 people join and after working for 14 days the group has completed half of the job. Since its taking so long, group A asks group B comprised of 10 people for help. Group A & B finish the job in 3 days. What is the speed of Group B?
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joeroot
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Re: Time and work [#permalink] New post   03 Jul 2017, 02:47
thanks for posting here it will be valuable for us
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VyshakhR1995
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Re: Time and work [#permalink] New post   08 Jul 2017, 10:09
jkolachi wrote:
Ok how about this. 10 people start a job and work on a constant pace for 3 days. 5 people then leave, and the rest of the group continues working for another 2 days. Then 2 people join back and continue working for 3 days. Then the remaining 3 people join and after working for 14 days the group has completed half of the job. Since its taking so long, group A asks group B comprised of 10 people for help. Group A & B finish the job in 3 days. What is the speed of Group B?


Thanks for the reply.I was looking for puzzle like stuff.
For Eg:Monty Hall puzzle can be used for probability
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VyshakhR1995
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Re: Time and work [#permalink] New post   19 Aug 2017, 22:22
Puzzle or some activity will Do which can be Conducted in college to teach students this topic...
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Re: Time and work [#permalink]
19 Aug 2017, 22:22

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