|
|
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
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
27 Jan 2024, 05:31
Kudos
Bookmarks
C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
92% (01:18) correct
8%
(01:59)
wrong
based on 306
sessions
History
Date
Time
Result
Not Attempted Yet
A scientist recorded 1,000 measurements in a certain experiment. If 42 percent of the measurements are less than or equal to 11 and 18 percent of the measurements are greater than 37, how many measurements are greater than 11 and less than or equal to 37 ?
A. 300
B. 350
C. 400
D. 450
E. 500
2024-01-27_16-29-36.png [ 43.37 KiB | Viewed 5731 times ]
A. 300
B. 350
C. 400
D. 450
E. 500
Attachment:
2024-01-27_16-29-36.png [ 43.37 KiB | Viewed 5731 times ]
Using official mocks already?
Add GMAT Club Tests for harder practice, analytics, and explanations without overlapping Official Guide or official mock questions.
Try it now →
27 Jan 2024, 05:33
Kudos
Bookmarks
guddo
The number of measurements that are greater than 11 and less than or equal to 37, would equal to 100% - (42% + 18%) = 40% of 1,000 measurements, so it would be 400 measurements.
Answer: C.
10 May 2024, 09:03
Kudos
Bookmarks
A scientist recorded 1,000 measurements in a certain experiment. If 42 percent of the measurements are less than or equal to 11 and 18 percent of the measurements are greater than 37, how many measurements are greater than 11 and less than or equal to 37?
We see that, to get to the correct answer, we need to subract 42 percent and 18 percent from 100 percent.
We could perform the calculations by first subtracing 42 from 100 and then subtracting 18 percent from the result. However, as is often the case with GMAT Quant questions, this question gives us an option of taking an easier path to the answer if we see it.
What we may notice is that 42 and 18 add up to 60. So, seeing that, we can subtract 60 from 100 to quickly get 40 percent.
This approach may save us just 10 seconds, but anything we can do to be more efficient will help us to maximize our GMAT Quant score.
Then, we look for the choice that's 40 percent of 1000.
A. 300
B. 350
C. 400
D. 450
E. 500
Correct answer: C
We see that, to get to the correct answer, we need to subract 42 percent and 18 percent from 100 percent.
We could perform the calculations by first subtracing 42 from 100 and then subtracting 18 percent from the result. However, as is often the case with GMAT Quant questions, this question gives us an option of taking an easier path to the answer if we see it.
What we may notice is that 42 and 18 add up to 60. So, seeing that, we can subtract 60 from 100 to quickly get 40 percent.
This approach may save us just 10 seconds, but anything we can do to be more efficient will help us to maximize our GMAT Quant score.
Then, we look for the choice that's 40 percent of 1000.
A. 300
B. 350
C. 400
D. 450
E. 500
Correct answer: C
