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Body Mass Index (BMI) is calculated by the formula

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Body Mass Index (BMI) is calculated by the formula [#permalink] New post 15 Sep 2017, 07:36
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Body Mass Index (BMI) is calculated by the formula \(\frac{703w}{h^2}\) where w is the weight in pounds and h is height in inches.

Quantity A
Quantity B
The number of pounds gained by a 74-inch-tall person whose BMI increased by 1.0.
The number of pounds lost by a 65-inch-tall person whose BMI decreased by 1.2.


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Re: Body Mass Index (BMI) is calculated by the formula [#permalink] New post 28 Sep 2017, 08:47
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I tried to plug-in some numbers but I don't get the right answer. Anyone willing to show his/her try?
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Re: Body Mass Index (BMI) is calculated by the formula [#permalink] New post 28 Sep 2017, 09:04
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IlCreatore wrote:
I tried to plug-in some numbers but I don't get the right answer. Anyone willing to show his/her try?



QTY A

SInce change in BMI increased by 1

Therefore change in weight =\(\frac{h^2}{703} * change in BMI\)

= \(\frac{74^2}{703}* 1\)

= \(\frac{5476}{703}\)

in QTY B

change in BMI increased by 1.2

Therefore change in weight =\(\frac{h^2}{703} * change in BMI\)

= \(\frac{65^2}{703}* 1.2\)

= \(\frac{5070}{703}\)

Therefore QTY A> QTY B (since denominator are same in both qty)
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Re: Body Mass Index (BMI) is calculated by the formula [#permalink] New post 10 Aug 2018, 09:34
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Calculating BMI is easy with formula.The one thing which help me while calculating bmi is this using both imperial and genric formula
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Re: Body Mass Index (BMI) is calculated by the formula [#permalink] New post 14 Jul 2019, 13:23
Carcass wrote:



Body Mass Index (BMI) is calculated by the formula \(\frac{703w}{h^2}\) where w is the weight in pounds and h is height in inches.

Quantity A
Quantity B
The number of pounds gained by a 74-inch-tall person whose BMI increased by 1.0.
The number of pounds lost by a 65-inch-tall person whose BMI decreased by 1.2.


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.



Can you please give explanation for this?
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Re: Body Mass Index (BMI) is calculated by the formula [#permalink] New post 14 Jul 2019, 15:41
Expert's post
Hi,

the explanation provided above by pranab01 is pretty neat.

Ask if something particular is still unclear TO YOU

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Re: Body Mass Index (BMI) is calculated by the formula   [#permalink] 14 Jul 2019, 15:41
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Body Mass Index (BMI) is calculated by the formula

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