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On a test day, 100 candidates took a psychometric test. The first grou
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20 Oct 2023, 03:49
20 Oct 2023, 03:49
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On a test day, 100 candidates took a psychometric test. The first group of 60 candidates scored on an average (arithmetic mean) 68 points. The second group of 40 candidates scored on an average half of the average score of the first group.
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Quantity A |
Quantity B |
The average score on the test for the 100 candidates |
55 points |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
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Free Materials for the GRE General Exam - Where to get it!!
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Free Materials for the GRE General Exam - Where to get it!!
GRE Geometry Formulas
GRE - Math Book
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On a test day, 100 candidates took a psychometric test. The first grou
[#permalink]
02 Dec 2023, 18:02
02 Dec 2023, 18:02
1
On a test day, 100 candidates took a psychometric test. The first group of 60 candidates scored on an average (arithmetic mean) 68 points. The second group of 40 candidates scored on an average half of the average score of the first group.
Average of all 100 candidates = Sum of the scores of all 100 candidates / 100 = \(\frac{(60 * 68) + (40*.05*68) }{ 100}\) = 54.08
Since 54.08 < 55, the answer is B.
Average of all 100 candidates = Sum of the scores of all 100 candidates / 100 = \(\frac{(60 * 68) + (40*.05*68) }{ 100}\) = 54.08
Since 54.08 < 55, the answer is B.
gmatclubot
On a test day, 100 candidates took a psychometric test. The first grou [#permalink]
02 Dec 2023, 18:02
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