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12 Jul 2006, 05:22
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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Set A contains 4 elements, all of which are even numbers, and has a range of 42. No two elements are equal. How much larger than the smallest element is the mean?
(1) When the mean of A is subtracted from the median of A, the result is greater than 5.
(2) Each element of A is a multiple of 3.
(1) When the mean of A is subtracted from the median of A, the result is greater than 5.
(2) Each element of A is a multiple of 3.
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12 Jul 2006, 06:31
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Interesting!
A) posible sets 2,40,42,44 Mean-32 , median-41, difference Med-mean=9
another option 2,38,40,44 mean 31 median 39 diff-8 med -mean=8
different values for difference between mean and smallest element so INSUFF
B) posible sets 0,30,36,42 mean-27, median-33 diff-6; diff mean smallest-27
set 6,36,42,48, mean-33,median 39, diff of mean and median=6,required value-27 so B is SUFF
A) posible sets 2,40,42,44 Mean-32 , median-41, difference Med-mean=9
another option 2,38,40,44 mean 31 median 39 diff-8 med -mean=8
different values for difference between mean and smallest element so INSUFF
B) posible sets 0,30,36,42 mean-27, median-33 diff-6; diff mean smallest-27
set 6,36,42,48, mean-33,median 39, diff of mean and median=6,required value-27 so B is SUFF
12 Jul 2006, 06:42
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you are using information from A as well. i arrive at E.
form 2: if we use more sets of even integers, we probably get multiple answers.
for ex: set (0, 6, 12, 42), mean = 15, median = 9, mean - s = 15.
