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jainnikhil02: Master | Next Rank: 500 Posts; Posts: 123; Joined: Tue May 31, 2011 12:26 am; Location: Hyderabad; Thanked: 5 times; Followed by:1 members

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by jainnikhil02 » Wed Jun 08, 2011 11:05 am

When positive integer x is divided by positive integer y, the remainder is 9. If x/y = 96.12, what is the value of y?
A. 96
B. 75
C. 48
D. 25
E. 12

I Know the answer, only i like the question, that's why posting..
try to solve it..

Nikhil K Jain
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Source: Beat The GMAT — Problem Solving | Wed Jun 08, 2011 11:05 am

Frankenstein: Legendary Member; Posts: 1448; Joined: Tue May 17, 2011 9:55 am; Location: India; Thanked: 375 times; Followed by:53 members

by Frankenstein » Wed Jun 08, 2011 11:12 am

Hi,
0.12 = 9/y =>y = 75
Hence, B

Cheers!

Things are not what they appear to be... nor are they otherwise

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champ0007: Senior | Next Rank: 100 Posts; Posts: 43; Joined: Wed Feb 06, 2008 5:37 am; Thanked: 8 times; Followed by:1 members

by champ0007 » Wed Jun 08, 2011 11:16 am

x/y = 96.12 = 96 + 0.12

Remainder comes from the decimal part of it

0.12y = 9

y = 9/0.12 = 900/12 = 300/4 = 75

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smackmartine: Legendary Member; Posts: 516; Joined: Fri Jul 31, 2009 3:22 pm; Thanked: 112 times; Followed by:13 members

by smackmartine » Wed Jun 08, 2011 11:21 am

IMO B
x/y = 96.12
x=96 y + .12y

also x = yQ+9

from both statements 0.12y=9
y = 900/12 =75

Last edited by smackmartine on Wed Jun 08, 2011 11:35 am, edited 1 time in total.

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champ0007: Senior | Next Rank: 100 Posts; Posts: 43; Joined: Wed Feb 06, 2008 5:37 am; Thanked: 8 times; Followed by:1 members

by champ0007 » Wed Jun 08, 2011 11:29 am

I think you meant "x = Qy + 9"

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smackmartine: Legendary Member; Posts: 516; Joined: Fri Jul 31, 2009 3:22 pm; Thanked: 112 times; Followed by:13 members

by smackmartine » Wed Jun 08, 2011 11:34 am

champ0007 wrote:I think you meant "x = Qy + 9"

Yes.thnx

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TuanNguyen87: Junior | Next Rank: 30 Posts; Posts: 13; Joined: Wed May 25, 2011 9:40 am

by TuanNguyen87 » Wed Jun 08, 2011 2:35 pm

We have x/y = 96.12 => x = 96y + 0.12y
The remainder is 9,
=> 0.12y = 9 => y = 75
Answer: B

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cans: Legendary Member; Posts: 1309; Joined: Mon Apr 04, 2011 5:34 am; Location: India; Thanked: 310 times; Followed by:123 members; GMAT Score:750