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# 5 Farmerrs work in a 10 acre of land and pick up the apples

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Manager
Joined: 16 Jan 2004
Posts: 65
Location: NJ
Followers: 1

Kudos [?]: 0 [0], given: 0

5 Farmerrs work in a 10 acre of land and pick up the apples [#permalink]  12 Feb 2004, 08:36
5 Farmerrs work in a 10 acre of land and pick up the apples in 20 hours. How long will it take 8 farmers to pick up the apples.

I know the anwer. Can you come up with a <=20 sec approach to this question
Director
Joined: 03 Jul 2003
Posts: 655
Followers: 2

Kudos [?]: 22 [0], given: 0

8 workers will pick the apples in 12.5 hours
Manager
Joined: 28 Jan 2004
Posts: 203
Location: India
Followers: 2

Kudos [?]: 14 [0], given: 4

I know the easiest and the fastest way to do these problems.
I will explain later right now i m not finding how to explain it.
Director
Joined: 13 Nov 2003
Posts: 793
Location: BULGARIA
Followers: 1

Kudos [?]: 27 [0], given: 0

To pick the apples from 10 acres we need 100 man/hours(5x20).
The same job can be done by 8 farmers in 100/8 hours.
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