GMAT Question of the Day - Daily to your Mailbox; hard ones only

It is currently 21 Sep 2018, 03:00

Close

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
Your Progress

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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Close

Request Expert Reply

Confirm Cancel

10+8÷3×6-2=?

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Math Revolution GMAT Instructor
User avatar
V
Joined: 16 Aug 2015
Posts: 6227
GMAT 1: 760 Q51 V42
GPA: 3.82
Premium Member
10+8÷3×6-2=?  [#permalink]

Show Tags

New post 22 Feb 2017, 01:16
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

73% (00:56) correct 27% (00:58) wrong based on 132 sessions

HideShow timer Statistics

10+8÷3×6-2=?

A. 24
B. 34
C. 22
D. 12
E. 11

_________________

MathRevolution: Finish GMAT Quant Section with 10 minutes to spare
The one-and-only World’s First Variable Approach for DS and IVY Approach for PS with ease, speed and accuracy.
"Only $99 for 3 month Online Course"
"Free Resources-30 day online access & Diagnostic Test"
"Unlimited Access to over 120 free video lessons - try it yourself"

SVP
SVP
User avatar
P
Joined: 08 Jul 2010
Posts: 2333
Location: India
GMAT: INSIGHT
WE: Education (Education)
Reviews Badge
Re: 10+8÷3×6-2=?  [#permalink]

Show Tags

New post 22 Feb 2017, 01:23
MathRevolution wrote:
10+8÷3×6-2=?

A. 24
B. 34
C. 22
D. 12
E. 11


Use of PEDMAS which we often learn in India as BODMAS

10+8÷3×6-2 should be interpreted as 10+{(8÷3)×6}-2 = 10+{8×2}-2 = 26-2 = 24

Answer: Option A
_________________

Prosper!!!
GMATinsight
Bhoopendra Singh and Dr.Sushma Jha
e-mail: info@GMATinsight.com I Call us : +91-9999687183 / 9891333772
Online One-on-One Skype based classes and Classroom Coaching in South and West Delhi
http://www.GMATinsight.com/testimonials.html

22 ONLINE FREE (FULL LENGTH) GMAT CAT (PRACTICE TESTS) LINK COLLECTION

CEO
CEO
User avatar
D
Joined: 12 Sep 2015
Posts: 2864
Location: Canada
10+8÷3×6-2=?  [#permalink]

Show Tags

New post 22 Feb 2017, 07:47
2
Top Contributor
MathRevolution wrote:
10 + 8 ÷ 3 × 6 - 2 =?

A. 24
B. 34
C. 22
D. 12
E. 11


There are 2 (or even 3) acronyms for determining which operation we perform first: PEMDAS, BODMAS, PEDMAS
The important thing to note is that, if we have to choose between Multiplication and Division, we perform those operations from left to right.
Likewise, if we have to choose between Addition and Subtraction, we perform those operations from left to right.
So, the acronym PEMDAS should have a hierarchy that looks like this:
P
E
MD
AS

Given: 10 + 8 ÷ 3 × 6 - 2. Multiplication and Division are more important that Addition and Subtraction. So, we'll perform those operations first. Since neither operation (Multiplication or Division) is more important than the other, we perform them from left to right. So, in this case, we divide first.
We get: 10 + 8 ÷ 3 × 6 - 2 = 10 + 8/3 × 6 - 2
Next, we must perform multiplication: 10 + 8/3 × 6 - 2 = 10 + 16 - 2

Since neither operation (Addition or Subtraction) is more important than the other, we perform them from left to right. So, in this case, we add first.
We get: 10 + 16 - 2 = 26 - 2
= 24

Answer: A

Cheers,
Brent
_________________

Brent Hanneson – GMATPrepNow.com
Image
Sign up for our free Question of the Day emails

Senior Manager
Senior Manager
User avatar
D
Joined: 06 Jan 2015
Posts: 474
Location: India
Concentration: Operations, Finance
GPA: 3.35
WE: Information Technology (Computer Software)
Premium Member
Re: 10+8÷3×6-2=?  [#permalink]

Show Tags

New post 22 Feb 2017, 07:59
MathRevolution wrote:
10+8÷3×6-2=?

A. 24
B. 34
C. 22
D. 12
E. 11


Applying Basic of Maths BODMAS(Brackets (parts of a calculation inside brackets always come first).
Orders (numbers involving powers or square roots).
Division.
Multiplication.
Addition.
Subtraction)

10+(8÷3)×6-2==>10+8*2-2==>10+16-2==>24

A
_________________

आत्मनॊ मोक्षार्थम् जगद्धिताय च

Resource: GMATPrep RCs With Solution

Math Revolution GMAT Instructor
User avatar
V
Joined: 16 Aug 2015
Posts: 6227
GMAT 1: 760 Q51 V42
GPA: 3.82
Premium Member
Re: 10+8÷3×6-2=?  [#permalink]

Show Tags

New post 24 Feb 2017, 02:13
==> When calculating the numbers, even if there are no brackets, multiplication and division come first.
You get 10+8÷3×6-2=10+(8/3)6-2=10+16-2=24.

The answer is A.
Answer: A
_________________

MathRevolution: Finish GMAT Quant Section with 10 minutes to spare
The one-and-only World’s First Variable Approach for DS and IVY Approach for PS with ease, speed and accuracy.
"Only $99 for 3 month Online Course"
"Free Resources-30 day online access & Diagnostic Test"
"Unlimited Access to over 120 free video lessons - try it yourself"

Target Test Prep Representative
User avatar
G
Status: Head GMAT Instructor
Affiliations: Target Test Prep
Joined: 04 Mar 2011
Posts: 2835
Re: 10+8÷3×6-2=?  [#permalink]

Show Tags

New post 27 Feb 2017, 12:01
MathRevolution wrote:
10+8÷3×6-2=?

A. 24
B. 34
C. 22
D. 12
E. 11


We must remember to follow the rules of PEMDAS when calculating the given expression.

10 + 8 ÷ 3 × 6 - 2 = ?

We can first divide 8 by 3:

10 + 8/3 x 6 - 2

Next we can multiply 8/3 by 6:

10 + 16 - 2 = 24

Answer: A
_________________

Jeffery Miller
Head of GMAT Instruction

GMAT Quant Self-Study Course
500+ lessons 3000+ practice problems 800+ HD solutions

Intern
Intern
avatar
Joined: 26 Jul 2018
Posts: 3
Re: 10+8÷3×6-2=?  [#permalink]

Show Tags

New post 26 Jul 2018, 03:25
Option A is right ans

Posted from my mobile device
Re: 10+8÷3×6-2=? &nbs [#permalink] 26 Jul 2018, 03:25
Display posts from previous: Sort by

10+8÷3×6-2=?

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  

Events & Promotions

PREV
NEXT


GMAT Club MBA Forum Home| About| Terms and Conditions and Privacy Policy| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.