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Is the tallest child in Class \(A\) taller than the tallest child in Class \(B?\)

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Is the tallest child in Class \(A\) taller than the tallest child in Class \(B?\)

by VJesus12 » Thu Jul 22, 2021 1:51 am

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Is the tallest child in Class \(A\) taller than the tallest child in Class \(B?\)

1) The range of the heights of the children in Class \(A\) is greater than the range of the heights of the children in class \(B.\)
2) The shortest child in Class \(A\) is shorter than the shortest child in Class \(B.\)

Answer: E

Source: GMAT Prep
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Source: — Data Sufficiency |

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Re: Is the tallest child in Class \(A\) taller than the tallest child in Class \(B?\)

by Brent@GMATPrepNow » Thu Jul 22, 2021 5:33 am

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VJesus12 wrote: ↑
Thu Jul 22, 2021 1:51 am
 Is the tallest child in Class \(A\) taller than the tallest child in Class \(B?\)

1) The range of the heights of the children in Class \(A\) is greater than the range of the heights of the children in class \(B.\)
2) The shortest child in Class \(A\) is shorter than the shortest child in Class \(B.\)

Answer: E

Source: GMAT Prep
Target question: Is the tallest child in Class A is taller than tallest child in Class B?
Jump to . . .

Statements 1 and 2 COMBINED
There are several scenarios that satisfy BOTH statements. Here are two:
Case a: Class A heights = {1, 50} and Class B heights = {2, 40}. In this case, the answer to the target question is YES, the tallest child in Class A IS taller than tallest child in Class B?
Case b: Class A heights = {1, 50} and Class B heights = {40, 60}. In this case, the answer to the target question is NO, the tallest child in Class A is NOT taller than tallest child in Class B?
Since we cannot answer the target question with certainty, the combined statements are NOT SUFFICIENT

Answer: E

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Brent
Brent Hanneson - Creator of GMATPrepNow.com
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