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ajaygaur319
Joined: 05 May 2019
Last visit: 01 Jan 2021
Posts: 126
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Location: India
Schools: NYU Tech MBA "21
18 Mar 2020, 05:31
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
62% (00:59) correct
38%
(01:22)
wrong
based on 42
sessions
History
Date
Time
Result
Not Attempted Yet
a is a decimal number. Is a < 0.5?
(1) When a is rounded to the units digit, the result is 1
(2) When a is rounded to the tenths digit, the result is 0.5
(1) When a is rounded to the units digit, the result is 1
(2) When a is rounded to the tenths digit, the result is 0.5
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Sufficiency (DS) Forum
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18 Mar 2020, 08:56
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sjain28
Hi sjain28,
(i) When a is rounded to the units digit, the result is 1
If a= 0.49 then rounding to the units digit will be 0
If a= 0.5 then rounding to the units digit will be 1
In short if a < 0.5 then rounding to the units digit will be 0 and not 1 , since statement 1 says rounding to the unit digit is 1
hence a \(\geq 0.5\) This answers a definite NO to the stem. Hence SUFF ( check out rounding rules from GMAT club site , perhaps math moderator can share the links )
SUFF
(ii) When a is rounded to the tenths digit, the result is 0.5
a can be 0.46, 0.48 etc hence less than 0.5
a can be 0.5,0.51 ,0.52 ,0.53 etc hence not less than 0.5
Hence INSUFF.
Ans- A
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Sufficiency (DS) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
