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What is the result when x is rounded to the nearest

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What is the result when x is rounded to the nearest [#permalink]

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New post 06 Jul 2006, 00:09
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What is the result when x is rounded to the nearest hundredth?
1)when x is rounded to the nearest 1000th, the result is 0.455?
2) The thousandth digit of x is 5

Please explain.
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New post 06 Jul 2006, 02:05
Its A

St1: When rounded to nearest hundredth it is 0.46 SUFF
St2: thousandth digit of x is 5, but we need hundredth & tenth digit to have the answer. Hence INSUFF
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New post 06 Jul 2006, 02:14
A

1) When rounded to he thousandth digit the number is .455
hence when rounded to the hundreths digit number is .46

2) not suff

We dont know anything about the hundreths digit
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New post 06 Jul 2006, 02:28
Agree with A. 0.46.
This is correct way to round, but guys
I met another roundness, i.e. 0.4547 would be not 0.46 but 0.45,
really for me it's very strange, but I'm not sure which way does GMAT use. :((((
Any ideas.
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New post 06 Jul 2006, 02:42
The question raised by M8 is the one that is bothering me..
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New post 06 Jul 2006, 02:51
M8 wrote:
Agree with A. 0.46.
This is correct way to round, but guys
I met another roundness, i.e. 0.4547 would be not 0.46 but 0.45,
really for me it's very strange, but I'm not sure which way does GMAT use. :((((
Any ideas.


A is the answer.

The rule I follow while rounding is -
If the digit to be rounded is 1, 2, 3, 4, or 5, I round the number 'down'. If the digit is 6, 7, 8 or 9, I round the number 'up'.
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New post 07 Jul 2006, 00:46
[quote="paddyboy"][quote="M8"]Agree with A. 0.46.
This is correct way to round, but guys
I met another roundness, i.e. 0.4547 would be not 0.46 but 0.45,
really for me it's very strange, but I'm not sure which way does GMAT use. :((((
Any ideas.[/quote]

A is the answer.

The rule I follow while rounding is -
If the digit to be rounded is 1, 2, 3, 4, or 5, I round the number 'down'. If the digit is 6, 7, 8 or 9, I round the number 'up'.[/quote]

Paddy boy, if i follow your method, the the answer should be .45 and not 0.46. aren't we getting conflicting anwsers.
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Aman
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New post 07 Jul 2006, 07:03
This is the rule:

http://www.dtc.dla.mil/qa/RR.htm

Just look at the number right to the digit you are rounding.
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SAID BUSINESS SCHOOL, OXFORD - MBA CLASS OF 2008

  [#permalink] 07 Jul 2006, 07:03
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