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Re: Is the range of the set of numbers {j, k, m, n, p} greater [#permalink]

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20 Jun 2011, 21:23

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.
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Re: Is the range of the set of numbers {j, k, m, n, p} greater [#permalink]

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24 Jun 2011, 14:43

subhashghosh wrote:

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.

hi, is this " because range of the set has to be equal or greater than difference between any two numbers in the set." a rule?