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  • Typical Day of a UCLA MBA Student - Recording of Webinar with UCLA Adcom and Student

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The range of the six numbers 20, 6, 14, 8, 28, and K is 24. The greate

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The range of the six numbers 20, 6, 14, 8, 28, and K is 24. The greate  [#permalink]

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New post 28 Mar 2018, 01:54
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The range of the six numbers 20, 6, 14, 8, 28, and K is 24. The greatest possible value of K is how much greater than the least possible value of K?

(A) 4
(B) 24
(C) 26
(D) 30
(E) 34

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The range of the six numbers 20, 6, 14, 8, 28, and K is 24. The greate  [#permalink]

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New post 28 Mar 2018, 03:41
Bunuel wrote:
The range of the six numbers 20, 6, 14, 8, 28, and K is 24. The greatest possible value of K is how much greater than the least possible value of K?

(A) 4
(B) 24
(C) 26
(D) 30
(E) 34


6,8,14,20,28,k

range = 24

30-6=24
28-4=24

k can be 4/30
difference

26
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Re: The range of the six numbers 20, 6, 14, 8, 28, and K is 24. The greate  [#permalink]

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New post 29 Mar 2018, 13:40
C.


Greatest possible value of K = 30
Least possible value of K = 4
Difference = 26.
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Re: The range of the six numbers 20, 6, 14, 8, 28, and K is 24. The greate  [#permalink]

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New post 29 Mar 2018, 16:18
Bunuel wrote:
The range of the six numbers 20, 6, 14, 8, 28, and K is 24. The greatest possible value of K is how much greater than the least possible value of K?

(A) 4
(B) 24
(C) 26
(D) 30
(E) 34


The greatest value of K is 6 + 24 = 30

The least value of K is 28 - 24 = 4.

So the difference between those numbers is 30 - 4 = 26.

Alternate Solution:

Recall that range = largest - smallest.

If K is to be as large as possible, it is the largest of the 6 values in the set, and so the range of the data would be K - 6 = 24, so K = 30.

If K is to be as small as possible, it is the smallest of the 6 values in the set, so the range of the data is 28 - K = 24, so K = 4.

The difference in the two values of K is 30 - 4 = 26.

Answer: C
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Re: The range of the six numbers 20, 6, 14, 8, 28, and K is 24. The greate &nbs [#permalink] 29 Mar 2018, 16:18
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