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Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here. If x is equal to 49.5 percent of 11/23 of 0.996, then  Question banks Downloads My Bookmarks Reviews Important topics
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Founder  Joined: 18 Apr 2015
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If x is equal to 49.5 percent of 11/23 of 0.996, then [#permalink]
Expert's post 00:00

Question Stats: 90% (01:22) correct 10% (00:57) wrong based on 50 sessions

If x is equal to 49.5 percent of $$\frac{11}{23}$$ of 0.996, then

A) 0.20 < x < 0.25

B) 0.25 < x < 0.30

C) 0.30 < x < 0.35

D) 0.35 < x < 0.40

E) 0.40 < x < 0.45
[Reveal] Spoiler: OA

_________________ GRE Instructor Joined: 10 Apr 2015
Posts: 1962
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Re: If x is equal to 49.5 percent of 11/23 of 0.996, then [#permalink]
4
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Expert's post
Carcass wrote:

If x is equal to 49.5 percent of 11/23 of 0.996, then

A) 0.20 < x < 0.25

B) 0.25 < x < 0.30

C) 0.30 < x < 0.35

D) 0.35 < x < 0.40

E) 0.40 < x < 0.45

Given: x = 49.5 percent of 11/23 of 0.996
In other words, x = (49.5/100)(11/23)(0.996)

Notice that 49.5/100 is a little bit less than 0.5
And 11/23 is a bit less than 0.5. Aside: we know this because 11/22 = 0.5, so 11/23 is a bit less than 0.5
And 0.996 is a bit less than 1

So, x = (little bit less than 0.5)(bit less than 0.5)(a bit less than 1)
We know that (0.5)(0.5)(1) = 0.25
So, (little bit less than 0.5)(bit less than 0.5)(a bit less than 1) = a bit less than 0.25

[Reveal] Spoiler:
A

Cheers,
Brent
_________________

Brent Hanneson – Creator of greenlighttestprep.com  Intern Joined: 08 Dec 2017
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Re: If x is equal to 49.5 percent of 11/23 of 0.996, then [#permalink]
1
KUDOS
Working from the last part of the math.
x= 0.495*(11/23)*0.996 = 0.236
which is clearly in range A. Target Test Prep Representative Affiliations: Target Test Prep
Joined: 09 May 2016
Posts: 161
Location: United States
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Kudos [?]: 140  , given: 0

Re: If x is equal to 49.5 percent of 11/23 of 0.996, then [#permalink]
1
KUDOS
Expert's post
Carcass wrote:

If x is equal to 49.5 percent of $$\frac{11}{23}$$ of 0.996, then

A) 0.20 < x < 0.25

B) 0.25 < x < 0.30

C) 0.30 < x < 0.35

D) 0.35 < x < 0.40

E) 0.40 < x < 0.45

We can solve this problem through estimation.

x = 0.495 * 11/23 * 0.996 ≈ 0.5 * 0.5 * 1 = 0.25

We see that x is approximately 0.25; however, since the actual numbers are less than their respective estimated numbers, the actual product is less than 0.25.

_________________

Jeffrey Miller

Jeff@TargetTestPrep.com

See why Target Test Prep is the top rated GRE quant course on GRE Prep Club. Read Our Reviews Re: If x is equal to 49.5 percent of 11/23 of 0.996, then   [#permalink] 25 Jul 2018, 16:49
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