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Jamboree and GMAT Club Contest: M and N are positive numbers. Is N > 0

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Retired Moderator
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Re: Jamboree and GMAT Club Contest: M and N are positive numbers. Is N > 0  [#permalink]

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14 Nov 2015, 12:14
QUESTION #9:

M and N are positive numbers. Is N > 0.06?

(1) When M + N is rounded to tenths digit the value is M
(2) N > 0.04

1:
If M is x.05 then N<0.10
With each additional unit added to the hundredths place of M, the N will come down. It will be the lowest when M=x.04, when N<0.01

Since 0.01<N<0.10, Statement 1 is not sufficient.

2:
N>0.04

Not Sufficient.

1 and 2:
0.04<N<0.10
So, N could take values between 0.04 and 0.06.

Not Sufficient

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Re: Jamboree and GMAT Club Contest: M and N are positive numbers. Is N > 0  [#permalink]

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15 Nov 2015, 19:28
N > 0.06?

St1: M + N = Rounded value of M to its tenth digit.
Let M = 1.45. Rounded value of M = 1.5.
N = 0.01 --> M + N = 1.5; N > 0.06? No
N = 0.09 --> M + N = 1.5; N > 0.06? Yes
Statement 1 alone is not sufficient.

St2: N > 0.04. Clearly not sufficient as we dont know the value of M.

Combining St1 and St2,
M = 1.45 and N = 0.05; M + N = 1.5; N > 0.06? No
M = 1.45 and N = 0.07; M + N = 1.5; N > 0.06? Yes
Not sufficient.

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Re: Jamboree and GMAT Club Contest: M and N are positive numbers. Is N > 0  [#permalink]

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18 Nov 2015, 11:19
I believe it's E

Statement 1: N> .05 or M+N >.05
Statement 2: N> .04 could be .05 or .06
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Re: Jamboree and GMAT Club Contest: M and N are positive numbers. Is N > 0  [#permalink]

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23 Aug 2016, 03:36
M and N are positive numbers. Is N > 0.06?

(1) When M + N is rounded to tenths digit the value is M
(2) N > 0.04

(2) N > 0.04
N could be = 0.05, 0.06, 0.07 not sufficient

(1) When M + N is rounded to tenths digit the value is M
so N should be .00 ---------------.49 so sufficient
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Re: Jamboree and GMAT Club Contest: M and N are positive numbers. Is N > 0  [#permalink]

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14 Jul 2020, 10:23
Bunuel wrote:

Jamboree and GMAT Club Contest Starts

QUESTION #9:

M and N are positive numbers. Is N > 0.06?

(1) When M + N is rounded to tenths digit the value is M
(2) N > 0.04

Check conditions below:

For the following two weekends we'll be publishing 4 FRESH math questions and 4 FRESH verbal questions per weekend.

To participate, you will have to reply with your best answer/solution to the new questions that will be posted on Saturday and Sunday at 9 AM Pacific.
Then a week later, respective forum moderators will be selecting 2 winners who provided most correct answers to the questions, along with best solutions. Those winners will get 6-months access to GMAT Club Tests.

PLUS! Based on the answers and solutions for all the questions published during the project ONE user will be awarded with ONE Grand prize. He/She can opt for one of the following as a Grand Prize. It will be a choice for the winner:
-- GMAT Online Comprehensive (If the student wants an online GMAT preparation course)
-- GMAT Classroom Program (Only if he/she has a Jamboree center nearby and is willing to join the classroom program)

Bookmark this post to come back to this discussion for the question links - there will be 2 on Saturday and 2 on Sunday!

There is only one Grand prize and student can choose out of the above mentioned too options as per the conditions mentioned in blue font.
All announcements and winnings are final and no whining GMAT Club reserves the rights to modify the terms of this offer at any time.

NOTE: Test Prep Experts and Tutors are asked not to participate. We would like to have the members maximize their learning and problem solving process.

Thank you!

THIS IS HOW I ATTACKED THIS:
It says clearly that we have to find if N>0.06 which means YES or NO answer type..
Now
(1) it says m+n when rounded gives m
ie 0.x+0.0(1/2/3/4) will give us m therefore pretty clear that to get m n needs to be less than 0.05 so our answer is NO. sufficient.

(2) it says N>0.04 so what it can be 0.0(5/6/7/8/9) No way to say precisely what.. hence insufficient.

Re: Jamboree and GMAT Club Contest: M and N are positive numbers. Is N > 0   [#permalink] 14 Jul 2020, 10:23

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