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If y = O.abcd, where a, b, c, and d each represent a nonzero

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If y = O.abcd, where a, b, c, and d each represent a nonzero [#permalink]

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New post 01 May 2013, 12:06
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If y = O.abcd, where a, b, c, and d each represent a nonzero digit of y, what is the value of y?

(1) a = d^2 and b = c^2
(2) a > b
[Reveal] Spoiler: OA

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Re: If y = O.abcd, where a, b, c, and d each represent a nonzero [#permalink]

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If y = O.abcd, where a, b, c, and d each represent a nonzero digit of y, what is the value of y?

(1) \(a = d^2\) and \(b = c^2\)
The possible combinations are 9,3 or 4,2 or 1,1. Assign these in different order and y changes.
Not sufficient

(2) a > b
Clearly not sufficient

1+2)Given that a>b, b could be 1 or 4 and a could be 4 or 9 respectively. Still not sufficient
E
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Re: If y = O.abcd, where a, b, c, and d each represent a nonzero [#permalink]

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New post 02 May 2013, 03:39
manishuol wrote:
If y = O.abcd, where a, b, c, and d each represent a nonzero digit of y, what is the value of y?

(1) a = d^2 and b = c^2
(2) a > b


Similar question to practice:
Quote:
If y = 0.jkmn, where j, k, m, and n each represent a nonzero digit of y, what is the value of y ?

(1) j < k < m < n
(2) j + a = k, k + a = m, and m + a = n, where j > a > 1.


Discussed here: if-y-0-jkmn-where-j-k-m-and-n-each-represent-a-nonzero-130018.html

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if-x-0-rstu-where-r-s-t-and-u-each-represent-a-nonzero-109735.html

Hope it helps.
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Re: If y = O.abcd, where a, b, c, and d each represent a nonzero [#permalink]

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New post 18 Nov 2016, 22:34
Great Question.
Here y=0.abcd
to get y we need to get a,b,c,d
Statement 1
using test cases
y=0.1111
y=0.4422
Hence not sufficient
Statement 2
y=0.3188
y=3189
Hence not sufficient
Combining the two statements
y=0.9113
y=0.9423
Hence not sufficient

Hence E
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Re: If y = O.abcd, where a, b, c, and d each represent a nonzero   [#permalink] 18 Nov 2016, 22:34
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