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Two cogged wheels of which one has 32 cogs and other 54

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Two cogged wheels of which one has 32 cogs and other 54 [#permalink] New post 25 Mar 2004, 07:34
Two cogged wheels of which one has 32 cogs and other 54 cogs, work into each other. If the latter turns 80 times in three quarters of a minute, how often does the other turn in 8 seconds?


(1) 48 (2) 135 (3) 24 (4) None of these
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 [#permalink] New post 25 Mar 2004, 10:14
agree
54/32 * 8/45 * 80 = 24
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 [#permalink] New post 25 Mar 2004, 11:32
Hallo Guys, 24 is the right answer. Thanks.
  [#permalink] 25 Mar 2004, 11:32
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Two cogged wheels of which one has 32 cogs and other 54

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