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[Math Revolution] Practice "Math Questions of the Day"

Author Message
Math Revolution GMAT Instructor
Joined: 16 Aug 2015
Posts: 6619
GMAT 1: 760 Q51 V42
GPA: 3.82
[Math Revolution] Practice "Math Questions of the Day"  [#permalink]

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24 Jul 2018, 22:32
To help you sharpen your math skills and hit your target score of Q49-51, we are sending you 4 math questions (2 DS, 2 PS) and solutions regularly.
These questions are the types of questions appearing in GMAT exam frequently.

Attachment:

Math Revolution Questions.png [ 316.87 KiB | Viewed 618 times ]

_________________

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" Intern Joined: 17 Jul 2018 Posts: 2 Re: [Math Revolution] Practice "Math Questions of the Day" [#permalink] Show Tags 25 Jul 2018, 00:54 Cannot find the answers in the link Posted from my mobile device Math Revolution GMAT Instructor Joined: 16 Aug 2015 Posts: 6619 GMAT 1: 760 Q51 V42 GPA: 3.82 Re: [Math Revolution] Practice "Math Questions of the Day" [#permalink] Show Tags 29 Jul 2018, 21:51 krutikarao wrote: Cannot find the answers in the link Posted from my mobile device Hello, krutikarao Please try below link. https://www.mathrevolution.com/gmat/eve ... ail?seq=36 _________________ 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"

Math Revolution GMAT Instructor
Joined: 16 Aug 2015
Posts: 6619
GMAT 1: 760 Q51 V42
GPA: 3.82
[Math Revolution] Practice "Math Questions of the Day"  [#permalink]

Show Tags

31 Jul 2018, 20:55
2
To help you sharpen your math skills and hit your target score of Q49-51, we are sending you 4 math questions (2 DS, 2 PS) and solutions regularly.
These questions are the types of questions appearing in GMAT exam frequently.

Attachment:

Math Revolution Questions.png [ 358.43 KiB | Viewed 587 times ]

_________________

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"

Senior Manager
Joined: 17 Mar 2014
Posts: 377
Re: [Math Revolution] Practice "Math Questions of the Day"  [#permalink]

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01 Aug 2018, 15:45
MathRevolution wrote:
To help you sharpen your math skills and hit your target score of Q49-51, we are sending you 4 math questions (2 DS, 2 PS) and solutions regularly.
These questions are the types of questions appearing in GMAT exam frequently.

Attachment:
Math Revolution Questions.png

Snapshots are not clear. Could you post big size of screenshots.
Senior Manager
Joined: 17 Mar 2014
Posts: 377
Re: [Math Revolution] Practice "Math Questions of the Day"  [#permalink]

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01 Aug 2018, 16:09
MathRevolution wrote:
To help you sharpen your math skills and hit your target score of Q49-51, we are sending you 4 math questions (2 DS, 2 PS) and solutions regularly.
These questions are the types of questions appearing in GMAT exam frequently.

Attachment:
Math Revolution Questions.png

DS Question1: Answer should be E.
1. There is no relation between Average of Set and Range of Set.
2. Range of subsets and Rage of bigger set could be different. Hence answer should be E.

DS Question2: Answer should be E.

1. K could be $$3x+2$$= 2,5,8,11,14,17,20,23,26
2. K could be $$5Y+1$$=1, 6,11,16,21,26

combine 1 & 2, K could be 11 or 26

PS Question3: $$LCM= 3*13*7*31=217*39= _,_,_,3$$so only option C has 3 in unit digit. Answer should be C.

PS Question4: Number of ways to select chairman=10, Number of ways to select an editor=9, Number of ways to select a secretary=8
so total number of selections= 10*9*8=720

Senior Manager
Joined: 17 Mar 2014
Posts: 377
[Math Revolution] Practice "Math Questions of the Day"  [#permalink]

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01 Aug 2018, 16:12
1
MathRevolution, I liked the way you have solved Question 3. You method is much more easier and quicker than method i used. I learnt new technique from you today. Thank You.
[Math Revolution] Practice "Math Questions of the Day" &nbs [#permalink] 01 Aug 2018, 16:12
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[Math Revolution] Practice "Math Questions of the Day"

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