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Founder  Joined: 18 Apr 2015
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Expert's post 00:00

Question Stats: 88% (00:38) correct 11% (00:00) wrong based on 9 sessions
 Quantity A Quantity B $$(1.9)^3$$ $$(1.999)^2$$

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

_________________ Director Joined: 20 Apr 2016
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WE: Engineering (Energy and Utilities)
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Carcass wrote:
 Quantity A Quantity B $$(1.9)^3$$ $$(1.999)^2$$

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

Here;
From the question we can assume QTY A > QTY B

let us assume 1.9 = 2 and 1.999 = 2

Now QTY A = $$2^3 = 8$$

and QTY B = $$2^2 =4$$

Moreover 1.999 will always be less than 2 , similarly 1.9 will always be less than 2

But cube root > square root.

If the question tells us compare between $$(1.9)^2$$ and $$(1.999)^2$$ then in this case $$(1.999)^2 > (1.9)^2$$. This is because the roots of both the QTY are same and 1.999 is more close to 2 than 1.9
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Rules for Posting https://greprepclub.com/forum/rules-for ... -1083.html Re: (1.9)^3   [#permalink] 02 Jul 2018, 22:00
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