It is currently 21 Oct 2020, 14:44

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

AB, BC, and AC

Author Message
TAGS:
Founder
Joined: 18 Apr 2015
Posts: 13641
Followers: 303

Kudos [?]: 3511 [0], given: 12571

AB, BC, and AC [#permalink]  01 Oct 2020, 00:57
Expert's post
00:00

Question Stats:

92% (02:42) correct 7% (02:21) wrong based on 13 sessions
Attachment:

GRE what is the area of the shaded region.png [ 8.92 KiB | Viewed 209 times ]

$$\overline{AB}$$, $$\overline{BC}$$, and $$\overline{AC}$$ are diameters of the three circles shown above. If $$BC = 4$$ and $$AB = 5BC$$, what is the area of the shaded region?

A. $$48\pi$$

B. $$24\pi$$

C. $$12\pi$$

D. $$6\pi$$

E. $$3\pi$$
[Reveal] Spoiler: OA

_________________

Need Practice? 20 Free GRE Quant Tests available for free with 20 Kudos
GRE Prep Club Members of the Month: Each member of the month will get three months free access of GRE Prep Club tests.
Eddie Van Halen - Beat it R.I.P.

Founder
Joined: 18 Apr 2015
Posts: 13641
Followers: 303

Kudos [?]: 3511 [0], given: 12571

Re: AB, BC, and AC [#permalink]  01 Oct 2020, 01:10
Expert's post
Post A Detailed Correct Solution For The Above Questions And Get A Kudos.
Question From Our New Project: GRE Quant Challenge Questions Daily - NEW EDITION!

For more theory and practice see our GRE - Math Book
_________________

Need Practice? 20 Free GRE Quant Tests available for free with 20 Kudos
GRE Prep Club Members of the Month: Each member of the month will get three months free access of GRE Prep Club tests.
Eddie Van Halen - Beat it R.I.P.

Moderator
Joined: 09 Jun 2020
Posts: 154
Followers: 2

Kudos [?]: 112 [1] , given: 9

Re: AB, BC, and AC [#permalink]  01 Oct 2020, 02:56
1
KUDOS
diameter of big circle =24

so area of big circle=144π

area of small circle=4π

area of medium circle=100π

area of region will be =area of big semi circle + area of small semi circle - area of medium semi circle=72π+2π-50π=24π

option B is correct
_________________

thank you
gajala

"If you like my explanation please click kudos"
Thank you for 100 kudos

for more quant problems here is the link

https://greprepclub.com/forum/gre-math- ... -2609.html

Re: AB, BC, and AC   [#permalink] 01 Oct 2020, 02:56
Display posts from previous: Sort by