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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]  15 Sep 2017, 07:36
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45% (01:50) correct 54% (01:41) wrong based on 62 sessions

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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Director
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Re: Body Mass Index (BMI) is calculated by the formula [#permalink]  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?
Director
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Re: Body Mass Index (BMI) is calculated by the formula [#permalink]  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]  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]  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?
Founder
Joined: 18 Apr 2015
Posts: 7747
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Kudos [?]: 1593 [0], given: 7035

Re: Body Mass Index (BMI) is calculated by the formula [#permalink]  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

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