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Time,Speed and distance

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Intern
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Joined: 16 Jul 2016
Posts: 12

Kudos [?]: 2 [0], given: 28

Time,Speed and distance [#permalink]

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New post 05 Sep 2017, 04:59
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Question Stats:

75% (02:18) correct 25% (02:25) wrong based on 4 sessions

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Two typists of varying skills can do a job in 6 minutes if they work together. If the first typist types alone for 4 minutes and then the second typist typed alone for 6 minutes, they would be left with 1/5 of the whole work. How many minutes would it take the slower typist to complete the typing job working alone?

A. 10 minutes
B. 15 minutes
C. 12 minutes
D. 20 minutes
[Reveal] Spoiler: OA

Kudos [?]: 2 [0], given: 28

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Joined: 02 Sep 2009
Posts: 41913

Kudos [?]: 129505 [1], given: 12201

Re: Time,Speed and distance [#permalink]

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New post 05 Sep 2017, 08:59
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Expert's post
manik919 wrote:
Two typists of varying skills can do a job in 6 minutes if they work together. If the first typist types alone for 4 minutes and then the second typist typed alone for 6 minutes, they would be left with 1/5 of the whole work. How many minutes would it take the slower typist to complete the typing job working alone?

A. 10 minutes
B. 15 minutes
C. 12 minutes
D. 20 minutes


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Kudos [?]: 129505 [1], given: 12201

Re: Time,Speed and distance   [#permalink] 05 Sep 2017, 08:59
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