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D01-20

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Intern
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Joined: 30 Oct 2016
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Re D01-20  [#permalink]

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New post 09 Sep 2017, 15:00
I don't agree with the explanation. i think A should be the answer because a set (1,1,c!) will have a median of 1 always na
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Re: D01-20  [#permalink]

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New post 09 Sep 2017, 15:07
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Re: D01-20  [#permalink]

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New post 13 Mar 2018, 17:48
I got it wrong in the tests due to oversight on my part.

Option 1 - The factorial of a number can be odd only if its 0 or 1. This gives a value of b. But C can be any number greater than b. - Not sufficient.

Option 2 - c! is a prime number. The only number whose factorial is prime is 2. So we get the value of c as 2.
but we do not have value of a and b. Not sufficient.

Considering both the options, we can find that the numbers are consecutive numbers.

Ans: C
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Re: D01-20   [#permalink] 13 Mar 2018, 17:48

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