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the clock lose in 504

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by sanju09 » Sat Jul 31, 2010 4:22 am
How many minutes will the clock lose in 504 hours?

1. The clock loses 0.4 minutes in g hours.
2. Ever 6 hours, the clock loses 2.5 minutes.

[spoiler]Source: winningprep.com[/spoiler]
The mind is everything. What you think you become. -Lord Buddha



Sanjeev K Saxena
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by nithi_mystics » Sat Jul 31, 2010 5:11 am
Is g hours or 9 hours?

If its g hours, the answer is B
If its 9 hours, the answer is D

In 9 hrs, the close loses 0.4 mins, so in 540 hrs, the clock loses (540/9)*0.4 mins
In 6 hrs, the close loses 2.5 mins, so in 540 hrs, the clock loses (540/6)*2.5 mins
sanju09 wrote:How many minutes will the clock lose in 504 hours?

1. The clock loses 0.4 minutes in g hours.
2. Ever 6 hours, the clock loses 2.5 minutes.

[spoiler]Source: winningprep.com[/spoiler]
Thanks
Nithi
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by sanju09 » Sat Jul 31, 2010 5:40 am
nithi_mystics wrote:Is g hours or 9 hours?

If its g hours, the answer is B
If its 9 hours, the answer is D

In 9 hrs, the close loses 0.4 mins, so in 540 hrs, the clock loses (540/9)*0.4 mins
In 6 hrs, the close loses 2.5 mins, so in 540 hrs, the clock loses (540/6)*2.5 mins
sanju09 wrote:How many minutes will the clock lose in 504 hours?

1. The clock loses 0.4 minutes in g hours.
2. Ever 6 hours, the clock loses 2.5 minutes.

[spoiler]Source: winningprep.com[/spoiler]
If it was 9, it could not have been a possible GMAT DS problem. Can you tell why?
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 nithi_mystics » Sat Jul 31, 2010 7:39 am
Because (540/9)*0.4 is not equal to (540/6)*2.5
sanju09 wrote:
nithi_mystics wrote:Is g hours or 9 hours?

If its g hours, the answer is B
If its 9 hours, the answer is D

In 9 hrs, the close loses 0.4 mins, so in 540 hrs, the clock loses (540/9)*0.4 mins
In 6 hrs, the close loses 2.5 mins, so in 540 hrs, the clock loses (540/6)*2.5 mins
sanju09 wrote:How many minutes will the clock lose in 504 hours?

1. The clock loses 0.4 minutes in g hours.
2. Ever 6 hours, the clock loses 2.5 minutes.

[spoiler]Source: winningprep.com[/spoiler]
If it was 9, it could not have been a possible GMAT DS problem. Can you tell why?
Thanks
Nithi
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by reply2spg » Thu Aug 05, 2010 11:42 am
It is g (G) hrs

B is correct here
nithi_mystics wrote:Is g hours or 9 hours?

If its g hours, the answer is B
If its 9 hours, the answer is D

In 9 hrs, the close loses 0.4 mins, so in 540 hrs, the clock loses (540/9)*0.4 mins
In 6 hrs, the close loses 2.5 mins, so in 540 hrs, the clock loses (540/6)*2.5 mins
sanju09 wrote:How many minutes will the clock lose in 504 hours?

1. The clock loses 0.4 minutes in g hours.
2. Ever 6 hours, the clock loses 2.5 minutes.

[spoiler]Source: winningprep.com[/spoiler]
Sudhanshu
(have lot of things to learn from all of you)
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