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# q = mn+r, where r is reminder when q, a negative, is divided

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VP
Joined: 29 Dec 2005
Posts: 1341
q = mn+r, where r is reminder when q, a negative, is divided [#permalink]

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29 Dec 2005, 23:22
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q = mn+r, where r is reminder when q, a negative, is divided by m, a positive. if 0<r<m, what will be the value of r when -100 is divided by m, which is 30.

a. 20
b. 10
c. 0
d. -10
e. -20

Last edited by Professor on 30 Dec 2005, 18:53, edited 1 time in total.
VP
Joined: 22 Aug 2005
Posts: 1112
Location: CA

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30 Dec 2005, 08:19
as r > 0, C/D/E out
IMO, it can be either A or B based on value of "m".

-100 = (-4) * 30 + 20 => r = 20
-100 = (-2) * 55 + 10 => r = 10
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Whether you think you can or think you can't. You're right! - Henry Ford (1863 - 1947)

SVP
Joined: 24 Sep 2005
Posts: 1885

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30 Dec 2005, 08:47
duttsit wrote:
as r > 0, C/D/E out
IMO, it can be either A or B based on value of "m".

-100 = (-4) * 30 + 20 => r = 20
-100 = (-2) * 55 + 10 => r = 10

Totally agree
VP
Joined: 06 Jun 2004
Posts: 1053
Location: CA

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31 Dec 2005, 01:37
HIMALAYA wrote:
Professor wrote:
Professor wrote:
q = mn+r, where r is reminder when q, a negative, is divided by m, a positive. if 0<r<m, what will be the value of r when -100 is divided by m, which is 30.
a. 20
b. 10
c. 0
d. -10
e. -20

sorry guys, there was a small correction.

A. 20.

Agree with Ms. HIMALAYA

A it is.
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VP
Joined: 29 Dec 2005
Posts: 1341

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31 Dec 2005, 17:55
Good job guys.

OA is A.
31 Dec 2005, 17:55
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