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  #16  
Old July 11th, 2011, 10:01 AM
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Re: Why USA will always need foreign workers with Math skills

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Originally Posted by soniya 2 View Post
How ?
.......
the question should ask how much time it takes to cut the board into 4 pieces.... why 3 pieces? is there any logic?

leave it... seriously, no point scratching your head.
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  #17  
Old July 11th, 2011, 10:06 AM
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Re: Why USA will always need foreign workers with Math skills

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Originally Posted by kkkk View Post
the question should ask how much time it takes to cut the board into 4 pieces.... why 3 pieces? is there any logic?

leave it... seriously, no point scratching your head.
Cant a board be cut into 3 pieces ?
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  #18  
Old July 11th, 2011, 10:07 AM
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Re: Why USA will always need foreign workers with Math skills

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Originally Posted by swami View Post
Cant a board be cut into 3 pieces ?
not in the context of this mathematical problem. kitna difficult hota hai answer karna for 3 pieces!
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  #19  
Old July 11th, 2011, 10:52 AM
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Re: Why USA will always need foreign workers with Math skills

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Originally Posted by echarcha View Post
Here, take a look at Maths teacher's response

Cha, the answer is 20. There is a big long board (as shown in the figure). If you cut it at any point with a saw, it is going to produce two pieces of boards, which is going to take 10 minutes ... So if you want to make another cut, regardless of how many pieces you get, it is going to be 10 extra minutes ... I dont see how it could be 15 minutes ...
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  #20  
Old July 11th, 2011, 10:56 AM
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Re: Why USA will always need foreign workers with Math skills

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Originally Posted by landyaBhai View Post
Cha, the answer is 20. There is a big long board (as shown in the figure). If you cut it at any point with a saw, it is going to produce two pieces of boards, which is going to take 10 minutes ... So if you want to make another cut, regardless of how many pieces you get, it is going to be 10 extra minutes ... I dont see how it could be 15 minutes ...
my bad ... it is the bad teacher that did not get his/her Math right ...
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  #21  
Old July 11th, 2011, 11:59 AM
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Re: Why USA will always need foreign workers with Math skills

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Originally Posted by landyaBhai View Post
my bad ... it is the bad teacher that did not get his/her Math right ...
we do have some tubelights here... and I was thinking I was the only one
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  #22  
Old July 11th, 2011, 12:10 PM
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Re: Why USA will always need foreign workers with Math skills

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Originally Posted by landyaBhai View Post
Cha, the answer is 20. There is a big long board (as shown in the figure). If you cut it at any point with a saw, it is going to produce two pieces of boards, which is going to take 10 minutes ... So if you want to make another cut, regardless of how many pieces you get, it is going to be 10 extra minutes ... I dont see how it could be 15 minutes ...
Quote:
Originally Posted by landyaBhai View Post
my bad ... it is the bad teacher that did not get his/her Math right ...
Welcome back LB
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  #23  
Old July 11th, 2011, 01:04 PM
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Re: Why USA will always need foreign workers with Math skills

yeh kya quechhan hai???iska koi jawaab bhi hai???I mean this is like asking how much is too much..

marie board pe saw chalaayegi...uske 2 piece hongay...uske baad marie ko paseena aayegaa.....marie nahaane jaayegi...

marie jabb nahaa rahi hogi to usko dhyaan aayegaa ke thodi waxing/shaving ki bhi zaroorat hai...to woh apni denting painting karegi...

yeh sabb karr ke jabb woh baahar aayegi...uske baad baal sukhaayegi....baal sukhaane ke baad, do gaane gaayegi....ek mein towel kholegi...ek mein naheen waapas baandh legi...

phir makeup karegi...kapde choose karegi...kisi mein bum bada lagegaa...kisi mein bust chhoti lagegii.....

uske baad bhookh bhi lagegi bechari thaki hui marie ko...phir rasoi mein jaa ke aloo gobi banaayegi...

khaane ke baad dil karegaa coffee ka to starbucks se ek coffee laane jaana padegaa...gaadi ko reverse mein driveway se niklaane mein 15 baar gaadi ke gear badalne padeingay..

waapas aa ke...thodi neend bhi chahiye body ko rest bhi to dena hai...rest karr ke uthne ke baad...facebook pe apna status update karna hai...

phir twitter pe sabko bataana bhi hai ke coffee peene ke baad pet mein 4 din ki fansi hui motions thodi release ke paas pohanch rahi hain...

uske baad marie...2 pieces ke teen karne ke liye taiyaar...

yeh information question ke saath Marie ka munhbola baap dega??

quechhan poochne waale aaye bade dronacharya...

abb bolo kitni der lagegii gyaan singh dhyaaniyos of echarcha??
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  #24  
Old July 11th, 2011, 01:10 PM
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Re: Why USA will always need foreign workers with Math skills

Quote:
Originally Posted by GameOn View Post
yeh kya quechhan hai???iska koi jawaab bhi hai???I mean this is like asking how much is too much..

marie board pe saw chalaayegi...uske 2 piece hongay...uske baad marie ko paseena aayegaa.....marie nahaane jaayegi...

marie jabb nahaa rahi hogi to usko dhyaan aayegaa ke thodi waxing/shaving ki bhi zaroorat hai...to woh apni denting painting karegi...

yeh sabb karr ke jabb woh baahar aayegi...uske baad baal sukhaayegi....baal sukhaane ke baad, do gaane gaayegi....ek mein towel kholegi...ek mein naheen waapas baandh legi...

phir makeup karegi...kapde choose karegi...kisi mein bum bada lagegaa...kisi mein bust chhoti lagegii.....

uske baad bhookh bhi lagegi bechari thaki hui marie ko...phir rasoi mein jaa ke aloo gobi banaayegi...

khaane ke baad dil karegaa coffee ka to starbucks se ek coffee laane jaana padegaa...gaadi ko reverse mein driveway se niklaane mein 15 baar gaadi ke gear badalne padeingay..

waapas aa ke...thodi neend bhi chahiye body ko rest bhi to dena hai...rest karr ke uthne ke baad...facebook pe apna status update karna hai...

phir twitter pe sabko bataana bhi hai ke coffee peene ke baad pet mein 4 din ki fansi hui motions thodi release ke paas pohanch rahi hain...

uske baad marie...2 pieces ke teen karne ke liye taiyaar...

yeh information question ke saath Marie ka munhbola baap dega??

quechhan poochne waale aaye bade dronacharya...

abb bolo kitni der lagegii gyaan singh dhyaaniyos of echarcha??

24 hours... same time next day...

this is her full day schedule for working on the boards. one cut per day.

am I right ??? OR am I right ??
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  #25  
Old July 11th, 2011, 02:36 PM
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Re: Why USA will always need foreign workers with Math skills

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Originally Posted by landyaBhai View Post
Cha, the answer is 20. There is a big long board (as shown in the figure). If you cut it at any point with a saw, it is going to produce two pieces of boards, which is going to take 10 minutes ... So if you want to make another cut, regardless of how many pieces you get, it is going to be 10 extra minutes ... I dont see how it could be 15 minutes ...
Thank you for staying on topic and giving the right answer. Yes, it takes 10 minutes to cut a board into two pieces. So no matter what, it will always take 10 minutes to cut the board. So the right answer is 20 minutes.
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  #26  
Old July 11th, 2011, 05:22 PM
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Re: Why USA will always need foreign workers with Math skills

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Originally Posted by Shringarey View Post
This is a true story

Place : outskirts of Nagpur
Year : 2011

In this region, in a maths test, everyone got 23 x 19 = ? wrong. Rather than 437, they wrote 419 (many people). Upon this being brought to the notice of Shringarey, he decided to investigate. He found that the "tables book", containing the tables, supplied by govt was wrong.

Mr. Shringarey bitterly cribbed to a Mr Uptil, a field man. Mr. Uptil went to a a local school. He pointed the error to the headmistress. His tone was chiding.

The headmistress turned back to Mr Uptil and shouted "First you jokers decide - decide once and for all what 23 x 19 is - and then talk! You people are confusing the studends!!"
Cool! This one is a modern version of shiva dhanushya episode which Ram broke in Sita swayamvar. A school inspector visits the school:

Inspector: Who broke Shiva dhanushya?

Student: I didn't; I wasn't even here in the school until now.

Teacher: Yes, he did not; he sits on his dads bidi shop in the mornings and just came.

Principal: Well, whatever it is, the school will pay the damages and let's be done with it and head for chai pani.
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  #27  
Old July 15th, 2011, 12:16 PM
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Re: Why USA will always need foreign workers with Math skills

Big Deal.

There are 4 stages of work

1. Thinking about getting the work done
2. Thinking about how to get the work done
3. Actually doing the work
4. Recognizing that work was done

The USA excels in 1 & 4.
India excels in 2 & 3.
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  #28  
Old July 15th, 2011, 05:22 PM
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Re: Why USA will always need foreign workers with Math skills

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Originally Posted by echarcha View Post
Thank you for staying on topic and giving the right answer. Yes, it takes 10 minutes to cut a board into two pieces. So no matter what, it will always take 10 minutes to cut the board. So the right answer is 20 minutes.
The right answer is 15 minutes. The implicit assumption being that the board is of a particular shape and will be cut in a certain way.

Take a piece of square board. Cut along lengthwise (or width wise, it does not matter in the first cut). The time it takes is 10 minutes (as stated).

Now, take one of the two pieces so generated, and cut it along its shortest dimension. Because the shortest dimension is one half the other dimension, the time taken is one half as well. Thus the time required is 5 minutes.

The total time is 10 + 5 = 15 minutes. The pieces generated are 3, one big and two small pieces.

Obviously, I think otherwise
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  #29  
Old July 15th, 2011, 05:49 PM
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Re: Why USA will always need foreign workers with Math skills

My daughter gave me the same answer dhurru pai. Kya correct socha hain.
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  #30  
Old July 15th, 2011, 05:50 PM
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Re: Why USA will always need foreign workers with Math skills

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Originally Posted by dhurandhar View Post
The right answer is 15 minutes. The implicit assumption being that the board is of a particular shape and will be cut in a certain way.

Take a piece of square board. Cut along lengthwise (or width wise, it does not matter in the first cut). The time it takes is 10 minutes (as stated).

Now, take one of the two pieces so generated, and cut it along its shortest dimension. Because the shortest dimension is one half the other dimension, the time taken is one half as well. Thus the time required is 5 minutes.

The total time is 10 + 5 = 15 minutes. The pieces generated are 3, one big and two small pieces.

Obviously, I think otherwise
You are just adding a lot of conditions and assumptions which were not present in the present problem. Offcourse since you have to always show your 'otherwise' thinking, it is excused and I would believe any answer you came up with. Even 12 minutes!
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