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If A, B, and C are the three single-digit

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GANESHG35
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If A, B, and C are the three single-digit [#permalink] New post   Updated on: 04 May 2020, 03:48
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If A, B, and C are the three single-digit integer then find the value of (AAB)*B=CB5B

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4656

Originally posted by GANESHG35 on 27 Sep 2019, 21:52.
Last edited by Carcass on 04 May 2020, 03:48, edited 1 time in total.
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foxyfairy
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Re: Numeric Entry [#permalink] New post   03 May 2020, 18:07
What are the options?
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foxyfairy
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Re: Numeric Entry [#permalink] New post   03 May 2020, 18:09
B=6?
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vndnjn
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Re: Numeric Entry [#permalink] New post   03 May 2020, 18:26
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GANESHG35 wrote:
If A, B, and C are the three single-digit integer then find the value of B
(AAB)*B=CB5B


From all single digit we need digit whose square (B*B) give same single digit i.e.B; hence we can have 1, 5 and 6 in hand.
equation: (AAB)*B=CB5B
B=1; (AA1)*1= always give same no. i.e. (AA1)
B=5; (AA5)*5= we can not have second last digit 5, (5*any single digit=either 5 or 0 at unit place)
B=6; (AA6)*6=C656, we need A either 2 or 7 so we can have 5 at second place.
A=7

(776)*6=4656
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Nikhil4GRE
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Re: If A, B, and C are the three single-digit [#permalink] New post   15 May 2020, 05:33
couldnot understand the question
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Re: If A, B, and C are the three single-digit [#permalink] New post   01 Oct 2024, 20:27
Hello from the GRE Prep Club BumpBot!

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Re: If A, B, and C are the three single-digit [#permalink]
01 Oct 2024, 20:27
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