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27 Oct 2006, 10:32
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If the smallest number in a set of positive integers is 3, how many numbers does the set have?
(1) The set is average of 6
(2) Range of the set is equal to the average of the set
(1) The set is average of 6
(2) Range of the set is equal to the average of the set
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27 Oct 2006, 14:01
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(E) too 
What is the source of the question?
Stat 1:
Av = 6
o If Set = {3,9}, Av = 6 >> 2 numbers
o If Set = {3,6,9}, Av = 6 >> 3 numbers
INSUFF
Stat 2:
Range = Av
o If Set = {3,9}, Av = Range = 6 >> 2 numbers
o If Set = {3,6,9}, Av = Range = 6 >> 3 numbers
INSUFF
(1) & (2)
From the examples choosen to refute Stat 2, we can conclude that both statments are not sufficient
What is the source of the question?
Stat 1:
Av = 6
o If Set = {3,9}, Av = 6 >> 2 numbers
o If Set = {3,6,9}, Av = 6 >> 3 numbers
INSUFF
Stat 2:
Range = Av
o If Set = {3,9}, Av = Range = 6 >> 2 numbers
o If Set = {3,6,9}, Av = Range = 6 >> 3 numbers
INSUFF
(1) & (2)
From the examples choosen to refute Stat 2, we can conclude that both statments are not sufficient
