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tough one!

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by NSNguyen » Mon Dec 03, 2007 8:09 am
Q14: (Problematic, Do Not Calculate; Only Know the Method!)
How many seconds will it take for a car that is traveling at a constant rate of 45 miles per
hour to travel a distance of 22 yards? (1 mile = 1,160 yards)
A. 8
B. 9
C. 10
D. 11
E. 12
This is also a tough one. I wonder how to choose the best one promptly.

many thanks
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Source: — Problem Solving |

by vishubn » Sun Sep 14, 2008 12:53 pm
can anyone give a try at this one !!

I got approc 2secs tooo :(

Vishu
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Re: tough one!

by Sunny22uk » Sun Sep 14, 2008 1:09 pm
NSNguyen wrote:Q14: (Problematic, Do Not Calculate; Only Know the Method!)
How many seconds will it take for a car that is traveling at a constant rate of 45 miles per
hour to travel a distance of 22 yards? (1 mile = 1,160 yards)
A. 8
B. 9
C. 10
D. 11
E. 12
This is also a tough one. I wonder how to choose the best one promptly.

many thanks
It should be 22*3600/45*1160
22/45 is aprox equal to 1/2
3600/1160 is aprox equal to 3
Answer should be 1.5 sec.
What is the source of this question?
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by manulath » Mon Sep 15, 2008 3:31 am
using 1 mile = 1100 yds simplifies a bit

(22/1100) = miles = 2/100 = 1/50
(45/3600) = miles per second = 5/400 = 1/80

(1/50) / (1/80) = 8/5 = 1.6

does not matches with any of the choices ???

Manu
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Re: tough one!

by sudhir3127 » Mon Sep 15, 2008 3:54 am
NSNguyen wrote:Q14: (Problematic, Do Not Calculate; Only Know the Method!)
How many seconds will it take for a car that is traveling at a constant rate of 45 miles per
hour to travel a distance of 22 yards? (1 mile = 1,160 yards)
A. 8
B. 9
C. 10
D. 11
E. 12
This is also a tough one. I wonder how to choose the best one promptly.

many thanks
the Answer has to be 1.6 approx... i am sure the Answer choices are wrongly given...

can u please let us know the source of the Question... Are these from the Sets?
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by artistocrat » Tue Mar 30, 2010 6:10 pm
Old post, but just in case someone stumbles upon this question as I did, there is the following error:
According to wikipedia (generally a good source) 1 mile is 1760 yards, not 1160 as per the question. The answer would then be 1 second, even though that is not one of the answer choices.
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by sanju09 » Thu Apr 01, 2010 4:54 am
NSNguyen wrote:Q14: (Problematic, Do Not Calculate; Only Know the Method!)
How many seconds will it take for a car that is traveling at a constant rate of 45 miles per
hour to travel a distance of 22 yards? (1 mile = 1,160 yards)
A. 8
B. 9
C. 10
D. 11
E. 12
This is also a tough one. I wonder how to choose the best one promptly.

many thanks
If it reads, "how many seconds", then it is advisable to take everything in yards per second

1 mph is equivalent to 1160/3600 yps

�45 mph is equivalent to 45 × 1160/3600 yps

Or 45 × 1160 yards in 3600 seconds

Or 22 yards in [(22 × 3600)/ (45 × 1160)] seconds, i.e. nearly [spoiler]1.5 seconds[/spoiler].

But that's true for some temporary assumption if taken on test ever, because there are 1760 yards in a mile, not 1160. Moreover, no choice is still fitting to my answer, anything underhanded?
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