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PriyankaPalit7
Joined: 28 May 2018
Last visit: 13 Jan 2020
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Location: India
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GMAT 1: 640 Q45 V35
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21 Mar 2019, 02:37
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E
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Difficulty:
35%
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Question Stats:
70% (01:48) correct
30%
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wrong
based on 56
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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 average of the set is 6
2) The range of the set is equal to the average of the set
1) The average of the set is 6
2) The range of the set is equal to the average of the set
21 Mar 2019, 03:30
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from I, the average is 6, there can be multiple cases like {3, 9}, {3, 6, 9}.... . so, not A, neither D
from II, the range is equal to the average, but no numeric information is provided.... so not B
together, range is 6 and smallest number is 3, there can be multiple cases namely {3, 9} , {3, 6, 9}, {3, 6, 6, 9, 9}... so not C
answer- E
from II, the range is equal to the average, but no numeric information is provided.... so not B
together, range is 6 and smallest number is 3, there can be multiple cases namely {3, 9} , {3, 6, 9}, {3, 6, 6, 9, 9}... so not C
answer- E
13 Feb 2022, 07:59
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