in the queue at the counter

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in the queue at the counter

by sanju09 » Fri Jul 30, 2010 4:23 am
How many people are standing in the queue at the counter?

1. If four more people join the queue, the number in the queue will be more than 15.
2. If three people give up and leave the queue, the number remaining will be less than 10.

[spoiler]Source: majortests.com[/spoiler]
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by selango » Fri Jul 30, 2010 4:29 am
Let n be the number of people in queue.

stmt1,

n+4>15

n>11

No info about n.

Insuff

stmt1,

n-3<10

n<13

No info about n.

Insuff

Combining 1 and 2,

11<n<13

n=12

Suff

Pick C
Last edited by selango on Fri Jul 30, 2010 5:29 am, edited 1 time in total.
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by sanju09 » Fri Jul 30, 2010 4:35 am
selango wrote:Let n be the number of people in queue.

stmt1,

n+4>15

n>11

No info about n.

Insuff

stmt1,

n-3<10

n<13

No info about n.

Insuff

Combining 1 and 2,

11>n<13

n=12

Suff

Pick C
how's that in bold, the lone replier? :)
The mind is everything. What you think you become. -Lord Buddha



Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001

www.manyagroup.com

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by selango » Fri Jul 30, 2010 4:53 am
sanju09 wrote:
selango wrote:Let n be the number of people in queue.

stmt1,

n+4>15

n>11

No info about n.

Insuff

stmt1,

n-3<10

n<13

No info about n.

Insuff

Combining 1 and 2,

11>n<13

n=12

Suff

Pick C
how's that in bold, the lone replier? :)
Edited the post..
Last edited by selango on Fri Jul 30, 2010 5:30 am, edited 1 time in total.
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by RCV » Fri Jul 30, 2010 5:18 am
selango wrote:
sanju09 wrote:
selango wrote:Let n be the number of people in queue.

stmt1,

n+4>15

n>11

No info about n.

Insuff

stmt1,

n-3<10

n<13

No info about n.

Insuff

Combining 1 and 2,

11>n<13

n=12

Suff

Pick C
how's that in bold, the lone replier? :)
n can be only integer.There cannot be 11 and half people or so :)
I think that sanju09 is asking how a number less than 11 can become 12. See your script one more time.

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by selango » Fri Jul 30, 2010 5:31 am
RCV wrote:
selango wrote:
sanju09 wrote:
selango wrote:Let n be the number of people in queue.

stmt1,

n+4>15

n>11

No info about n.

Insuff

stmt1,

n-3<10

n<13

No info about n.

Insuff

Combining 1 and 2,

11>n<13

n=12

Suff

Pick C
how's that in bold, the lone replier? :)
n can be only integer.There cannot be 11 and half people or so :)
I think that sanju09 is asking how a number less than 11 can become 12. See your script one more time.
I thought something else :lol: Anyway edited the post..Thanks..
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