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# When the positive integer x is divided by 11, the quotient

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VP
Joined: 14 May 2006
Posts: 1418
Followers: 4

Kudos [?]: 65 [0], given: 0

When the positive integer x is divided by 11, the quotient [#permalink]  08 Aug 2006, 17:47
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When the positive integer x is divided by 11, the quotient is y and the remainder 3. When x is divided by 19, the remainder is also 3. What is the remainder when y is divided by 19?

A 0
B 1
C 2
D 3
E 4

VP
Joined: 29 Dec 2005
Posts: 1348
Followers: 7

Kudos [?]: 37 [0], given: 0

Re: PS: Remainder [#permalink]  08 Aug 2006, 18:56
x = 11 (y) + 3 ..........i
x = 19 n + 3..............ii

11 (y) + 3 = 19 n + 3
11 (y) = 19 n

the only values that satisfies y and n are multiples of 19 and 11 respectively. if y is a multiple of 19, the reminder is 0 when y is divided by 19.

A.
Manager
Joined: 08 May 2004
Posts: 158
Location: Pittsburgh
Followers: 1

Kudos [?]: 0 [0], given: 0

I tried to get the answer by picking numbers
I couldn't get one:(
VP
Joined: 02 Jun 2006
Posts: 1266
Followers: 2

Kudos [?]: 48 [0], given: 0

A 0

x = 11y + 3
x = 19m + 3

As 11x19 = 209, x can be 209k + 3 where k is a +ve integer.

Therefore y =19.
VP
Joined: 29 Dec 2005
Posts: 1348
Followers: 7

Kudos [?]: 37 [0], given: 0

haas_mba07 wrote:
y =19.

nope. y is a multiple of 19. it could be 0 or 19 or 38 or so on.
CEO
Joined: 20 Nov 2005
Posts: 2910
Schools: Completed at SAID BUSINESS SCHOOL, OXFORD - Class of 2008
Followers: 19

Kudos [?]: 132 [0], given: 0

A

x = 11y + 3
x/19 will have remainder only if y is divisible by 19.

Hence y/19 will yield zero remainder.
_________________

SAID BUSINESS SCHOOL, OXFORD - MBA CLASS OF 2008

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# When the positive integer x is divided by 11, the quotient

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