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20 Dec 2020, 04:39
Kudos
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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:
45%
(medium)
Question Stats:
60% (01:40) correct
40%
(01:31)
wrong
based on 210
sessions
History
Date
Time
Result
Not Attempted Yet
How many lemon trees are there in Mr. Bunuel's garden?
(1) Each tree gives the same number of lemons as that of the lemon trees in Mr. Bunuel's garden.
(2) The number of lemons in Mr. Bunuel's garden exceeds that of lemon trees by 210.
(1) Each tree gives the same number of lemons as that of the lemon trees in Mr. Bunuel's garden.
(2) The number of lemons in Mr. Bunuel's garden exceeds that of lemon trees by 210.
Pure algebraic questions like this one are no longer part of the GMAT Data Sufficiency syllabus.
For relevant Data Sufficiency questions, please check the Data Sufficiency forum:
Data Sufficiency Forum
Data Sufficiency Forum
20 Dec 2020, 17:03
Kudos
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kawal27
Statement 1:
If we set the number of lemon trees as \(x\), then we know there are \(x^2\) lemons in total as each tree has \(x\) lemons. Insufficient.
Statement 2:
Insufficient.
Combined:
We can translate statement 2 into \(x^2 = x + 210\), which is \(x^2 - x - 210 = 0\).
We may observe the changes in signs to see there is only one positive solution; or factor into \((x - 15)(x + 14) = 0\).
Sufficient.
Ans: C
20 May 2023, 22:18
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