percentage

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romitvsingh: Senior | Next Rank: 100 Posts; Posts: 46; Joined: Fri Aug 19, 2011 12:13 amFollowed by: 1 member; Location: Delhi, India

by romitvsingh » Fri Oct 21, 2011 12:47 am

when 1/10 percentage of 5000 is subtracted from 1/10 of 5000, the diffrence is

A)0
B)50
C)450
D)495
E)500

pls explain in detail

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Source: Beat The GMAT — Problem Solving | Fri Oct 21, 2011 12:47 am

shankar.ashwin: Legendary Member; Posts: 966; Joined: Sat Jan 02, 2010 8:06 amFollowed by: 21 members; Thanked: 230 times

by shankar.ashwin » Fri Oct 21, 2011 12:51 am

1% = 0.01
1/10 of 1% = 0.001

So, 0.1(5000) - 0.001(5000) =495 D

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neelgandham: Community Manager; Posts: 1060; Joined: Fri May 13, 2011 6:46 amFollowed by: 52 members; Location: Utrecht, The Netherlands; Thanked: 318 times

by neelgandham » Fri Oct 21, 2011 12:53 am

when 1/10 percentage of 5000 is subtracted from 1/10 of 5000, the diffrence is ?

x percent of 5000 = (x/100)*5000,
So, 1/10 percentage of 5000 = ((1/10)/100)*5000 = (1/10)*(1/100)*5000 = 5000/1000 = 5

1/x of 5000 = 5000/x,
So, 1/10 of 5000 = 500

so Answer = [spoiler]500-5 = 495[/spoiler] Option D

Anil Gandham
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