115) What would be approximate value

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ern5231: Master | Next Rank: 500 Posts; Posts: 226; Joined: Sun Aug 09, 2009 4:34 am

by ern5231 » Thu May 13, 2010 3:16 am

Approximate : (1-1/2)(1-1/3)(1-1/4).....................ï¼ˆ1-1/50)

how do we generally approach such problems?

Source: Beat The GMAT — Problem Solving | Thu May 13, 2010 3:16 am

thephoenix: Legendary Member; Posts: 1560; Joined: Tue Nov 17, 2009 2:38 am; Thanked: 137 times; Followed by:5 members

by thephoenix » Thu May 13, 2010 3:18 am

ans is 1/50

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selango: Legendary Member; Posts: 1460; Joined: Tue Dec 29, 2009 1:28 am; Thanked: 135 times; Followed by:7 members

by selango » Thu May 13, 2010 3:24 am

Hi Phoneix,

Can you pl tell us how do u solve this prob?

thephoenix: Legendary Member; Posts: 1560; Joined: Tue Nov 17, 2009 2:38 am; Thanked: 137 times; Followed by:5 members

by thephoenix » Thu May 13, 2010 3:29 am

selango wrote:Hi Phoneix,

Can you pl tell us how do u solve this prob?

the sequence is 1/2*2/3*3/4*5/6...........*49/50 all but 1 and 50 cancels out and 1/50 is left

Many of the great achievements of the world were accomplished by tired and discouraged men who kept on working

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