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GMATPrep IR: Flowchart representing mathematical algorithm

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GMATPrep IR: Flowchart representing mathematical algorithm [#permalink] New post 23 Jul 2012, 16:53
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The flowchart represents a mathematical algorithm that takes two positive integers as the input and returns a positive integer as the output. Processes are indicated in the rectangular symbols in the flowchart. Each process is symbolized by an equation, such as T = T + a. In this particular process, the current values of the variables T and a are added together and the sum then becomes the value of T. For example, if the value of T is 3 and the value of a is 7 before the process T = T + a is completed, then the value of T is 10 and the value of a is 7 after the process is completed.

　　Use the drop-down menus to fill in the blanks in the following statements based on the algorithm represented by the flowchart.

　　If 24 and 35 are entered as the values for a and b, respectively, then the first nonzero value of T is: 24, 48, 96, 192, 384.

[Reveal] Spoiler:
ANSWER is 24


　　If 35 and 27 are entered as the values for a and b, respectively, then after the process b=\frac{b}{2} is completed for the second time, the value of b is: 3, 6, 12, 13, 26.

[Reveal] Spoiler:
ANSWER is 6

Last edited by bmwguy on 23 Jul 2012, 17:27, edited 1 time in total.
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Re: GMATPrep IR: Flowchart representing mathematical algorithm [#permalink] New post 23 Jul 2012, 17:00
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bmwguy wrote:
Attachment:
preppic5.jpg


The flowchart represents a mathematical algorithm that takes two positive integers as the input and returns a positive integer as the output. Processes are indicated in the rectangular symbols in the flowchart. Each process is symbolized by an equation, such as T = T + a. In this particular process, the current values of the variables T and a are added together and the sum then becomes the value of T. For example, if the value of T is 3 and the value of a is 7 before the process T = T + a is completed, then the value of T is 10 and the value of a is 7 after the process is completed.

　　Use the drop-down menus to fill in the blanks in the following statements based on the algorithm represented by the flowchart.

　　If 24 and 35 are entered as the values for a and b, respectively, then the first nonzero value of T is: 24, 48, 96, 192, 384.

[Reveal] Spoiler:
ANSWER is 24


　　If 35 and 27 are entered as the values for a and b, respectively, then after the process is completed for the second time, the value of b is: 3, 6, 12, 13, 26.

[Reveal] Spoiler:
ANSWER is 6
I think your second question was transcribed incorrectly--"the process" doesn't tell us WHICH process should be repeated twice!
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Re: GMATPrep IR: Flowchart representing mathematical algorithm [#permalink] New post 23 Jul 2012, 17:29
KapTeacherEli wrote:
I think your second question was transcribed incorrectly--"the process" doesn't tell us WHICH process should be repeated twice!


I fixed it. Thank you!
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Re: GMATPrep IR: Flowchart representing mathematical algorithm [#permalink] New post 14 Aug 2012, 07:39
I got this question correct by simply putting in the values and following the schematic. Was there supposed to be any cool way of figuring out without just plugging the numbers in?
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Re: GMATPrep IR: Flowchart representing mathematical algorithm [#permalink] New post 14 Aug 2012, 09:42
Injuin wrote:
I got this question correct by simply putting in the values and following the schematic. Was there supposed to be any cool way of figuring out without just plugging the numbers in?

Not that I can see. Near as I can tell, this is similar to "symbol" questions on the quantitative section--simple substitution obscured by a difficult way of expressing the math.
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Re: GMATPrep IR: Flowchart representing mathematical algorithm   [#permalink] 14 Aug 2012, 09:42
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