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Printer speed............

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Manager
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Printer speed............ [#permalink]

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9. A certain business printer can print 40 characters per second, which is 4 times as fast as an average printer. If an average printer can print 5 times as fast as an electric typewriter, how many characters per minute can an electric typewriter print?
(A) 2
(B) 32
(C) 50
(D) 120
(E) 600

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Manager
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Joined: 14 Nov 2008
Posts: 195

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Schools: Stanford...Wait, I will come!!!
Re: Printer speed............ [#permalink]

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New post 01 Apr 2009, 08:42
milind1979 wrote:
9. A certain business printer can print 40 characters per second, which is 4 times as fast as an average printer. If an average printer can print 5 times as fast as an electric typewriter, how many characters per minute can an electric typewriter print?
(A) 2
(B) 32
(C) 50
(D) 120
(E) 600

BP= 40 C/S
AP=40/4= 10 C/S
EP= 10/5=2 C/S

So..electrical type writer can print 60*2=120 C/Minute

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Joined: 13 Jan 2009
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Location: India
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New post 01 Apr 2009, 10:48
Agree with Igon D same logic

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Manager
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Joined: 19 Aug 2006
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New post 01 Apr 2009, 16:36
Agree with D.

average - 10 char/s
typewriter - 2char/s
2*60=120 char/minute

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Director
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Re: Printer speed............ [#permalink]

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New post 02 Apr 2009, 02:53
agreed
I did the silliest blunder :P
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New post 02 Apr 2009, 07:27
nitya34 wrote:
agreed
I did the silliest blunder :P


We all do that, from time to time. :-D

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Re: Printer speed............   [#permalink] 02 Apr 2009, 07:27
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Printer speed............

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