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# Remember to time yourself for < 2 mins

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Director
Joined: 20 Jul 2004
Posts: 593
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Kudos [?]: 44 [0], given: 0

Remember to time yourself for < 2 mins [#permalink]  19 Sep 2004, 19:20
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0% (00:00) correct 0% (00:00) wrong based on 1 sessions
Remember to time yourself for < 2 mins.
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Senior Manager
Joined: 19 May 2004
Posts: 291
Followers: 1

Kudos [?]: 8 [0], given: 0

E. (3 min)

First bus: 3, 13, 23, 33 ...
Second bus: 4,19,34,49 ... You see the paterns ?

can anyone prove this mathematically?
Senior Manager
Joined: 06 Dec 2003
Posts: 366
Location: India
Followers: 1

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

Answer should be "E" - solution goes like this:

Bus - A has start time of an hr so completes after 9 HRs of bus B's starting.
A has following pattern in term of B's timing - 9,19,29,39... Hrs.
whereas Bus B has following pattern: 15,30,45,60...Hrs

Bus B has all hrs as multiple of 15 that is equal to 3*5, which can never have multiple/LCm in terms of figure ending at 9 (viz. 9,19,29 and so on..)

Whats the OA ?

Dharmin
_________________

Perseverance, Hard Work and self confidence

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