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20 Jun 2011, 20:48
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
71% (00:42) correct
29%
(01:16)
wrong
based on 7
sessions
History
Date
Time
Result
Not Attempted Yet
Is the range of the set of numbers {j, k, m, n, p} greater than 5?
(1) k – n > 5
(2) k is the greatest number in the set.
OPEN DISCUSSION OF THIS QUESTION IS HERE: is-the-range-of-the-set-of-numbers-j-k-l-m-n-p-greater-than-232237.html
(1) k – n > 5
(2) k is the greatest number in the set.
OPEN DISCUSSION OF THIS QUESTION IS HERE: is-the-range-of-the-set-of-numbers-j-k-l-m-n-p-greater-than-232237.html
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20 Jun 2011, 22:23
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The answer is A, because range of the set has to be equal or greater than difference between any two numbers in the set. As per (1), since difference between two numbers is > 5, so the range is also > 5.
(2) does not give information about the value of k and the other numbers apart from k, So insufficient.
(2) does not give information about the value of k and the other numbers apart from k, So insufficient.
23 Jun 2011, 03:37
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a 1,2,8,8,8 or so. since difference between 2 elements is >5. means range will be >5.Sufficient.
b no clue about the values. Not sufficient.
A it is.
b no clue about the values. Not sufficient.
A it is.
