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# What is the result when x is rounded to the nearest

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

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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

Manager
Joined: 12 Apr 2006
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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
SVP
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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
Senior Manager
Joined: 08 Jun 2004
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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.
Manager
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06 Jul 2006, 02:42
The question raised by M8 is the one that is bothering me..
Director
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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.

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'.
Manager
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07 Jul 2006, 00:46
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]

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]

Regards,
Aman
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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.
_________________

SAID BUSINESS SCHOOL, OXFORD - MBA CLASS OF 2008

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