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06 Oct 2019, 21:24
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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:
84% (01:02) correct
16%
(01:04)
wrong
based on 243
sessions
History
Date
Time
Result
Not Attempted Yet
EMPOWERgmat DS Series:
Pack 2, Question 4
Does Meadow Park have a greater number of amphibians than reptiles within the park’s borders?
1) The ratio of the number of amphibians to all other animals in the park is 1:16
2) The ratio of the number of reptiles to all other animals in the park is 2:31
48 Hour Window To Win An $85 EMPOWERgmat Tuition Credit (1 Month Free!)
Share your explanation! The GMAT Club member with the most verified Kudos in total on the 5 question DS Block 2 question pack will win an $85 EMPOWERgmat tuition credit, which will entitle the winner to a full month of complete access to the EMPOWERgmat system. Even if you're not sure about your answer or your rationale, share your explanation to help boost your learning and earn a chance to win.
To be eligible, your explanation must be submitted within the 48 hour window after this post was created and should explain your reasoning why the answer you chose is correct
The OA and official explanation will be held until the 48 hour window has lapsed.
Pack 2, Question 4
Does Meadow Park have a greater number of amphibians than reptiles within the park’s borders?
1) The ratio of the number of amphibians to all other animals in the park is 1:16
2) The ratio of the number of reptiles to all other animals in the park is 2:31
48 Hour Window To Win An $85 EMPOWERgmat Tuition Credit (1 Month Free!)
Share your explanation! The GMAT Club member with the most verified Kudos in total on the 5 question DS Block 2 question pack will win an $85 EMPOWERgmat tuition credit, which will entitle the winner to a full month of complete access to the EMPOWERgmat system. Even if you're not sure about your answer or your rationale, share your explanation to help boost your learning and earn a chance to win.
To be eligible, your explanation must be submitted within the 48 hour window after this post was created and should explain your reasoning why the answer you chose is correct
The OA and official explanation will be held until the 48 hour window has lapsed.
07 Oct 2019, 01:23
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Does Meadow Park have a greater number of amphibians than reptiles within the park’s borders?
We have to find A:R
1) The ratio of the number of amphibians to all other animals in the park is 1:16
Given is A:Total....Insuff
2) The ratio of the number of reptiles to all other animals in the park is 2:31
Given is R:Total....Insuff
Combined..
We can find A:R
Suff
C
We have to find A:R
1) The ratio of the number of amphibians to all other animals in the park is 1:16
Given is A:Total....Insuff
2) The ratio of the number of reptiles to all other animals in the park is 2:31
Given is R:Total....Insuff
Combined..
We can find A:R
Suff
C
07 Oct 2019, 01:36
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STATEMENT (1) - The ratio of the number of amphibians to all other animals in the park is 1:16
from this statement, we can't say anything about how many amphibians or reptiles are there
so, INSUFFICIENT
STATEMENT (2)- The ratio of the number of reptiles to all other animals in the park is 2:31
from this statement, we can't say anything about how many reptiles or amphibians are there
so, INSUFFICIENT
combining both statements together
we know \(\frac{amphibian}{other-animal}\) = \(\frac{1}{16}\) and \(\frac{other-animal}{reptile}\) = \(\frac{31}{2}\)
now amphibian: other animals: reptiles = 1*31:16*31:2*16 = 31:496:32
let amphibian = 31x
then other animals = 496x and reptiles = 32x
from here we know reptiles are > amphibians
Does Meadow Park have a greater number of amphibians than reptiles within the park’s borders? - NO
SUFFICIENT
C is the answer
from this statement, we can't say anything about how many amphibians or reptiles are there
so, INSUFFICIENT
STATEMENT (2)- The ratio of the number of reptiles to all other animals in the park is 2:31
from this statement, we can't say anything about how many reptiles or amphibians are there
so, INSUFFICIENT
combining both statements together
we know \(\frac{amphibian}{other-animal}\) = \(\frac{1}{16}\) and \(\frac{other-animal}{reptile}\) = \(\frac{31}{2}\)
now amphibian: other animals: reptiles = 1*31:16*31:2*16 = 31:496:32
let amphibian = 31x
then other animals = 496x and reptiles = 32x
from here we know reptiles are > amphibians
Does Meadow Park have a greater number of amphibians than reptiles within the park’s borders? - NO
SUFFICIENT
C is the answer
