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Where did everyone go? Seems like there are only the three

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VP
Joined: 06 Jun 2004
Posts: 1053
Location: CA
Where did everyone go? Seems like there are only the three [#permalink]

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04 Feb 2006, 23:45
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Where did everyone go? Seems like there are only the three of us.....

What is the reminder of 3^(50)/4?
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Don't be afraid to take a flying leap of faith.. If you risk nothing, than you gain nothing...

VP
Joined: 21 Sep 2003
Posts: 1057
Location: USA

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05 Feb 2006, 00:07
1?

3^1 = 3 Rem = 3
3^2 = 9 Rem = 1
3^3 = 27 Rem = 3
3^4 = 81 Rem = 1
....

3^50/4 - Rem = 1

Just a check 3^50 = 717897987691852588770249 (of course I used the calc! )

Reminder should be 1.
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"To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed."

- Bernard Edmonds

VP
Joined: 21 Sep 2003
Posts: 1057
Location: USA
Re: PS: Remainder [#permalink]

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05 Feb 2006, 00:23
TeHCM wrote:
Where did everyone go? Seems like there are only the three of us.....

Looks like at Andy is having a big party tonight...
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"To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed."

- Bernard Edmonds

Senior Manager
Joined: 05 Jan 2006
Posts: 381

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05 Feb 2006, 00:27
1=> 3/4 => 3
2=> 9/4 => 1
3=> 27/4 => 3

for even n rem =3 and odd rem=1 50 is even rem=3
Senior Manager
Joined: 19 Feb 2005
Posts: 486
Location: Milan Italy

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05 Feb 2006, 04:34
chiragr wrote:
1=> 3/4 => 3
2=> 9/4 => 1
3=> 27/4 => 3

for even n rem =3 and odd rem=1 50 is even rem=3

sorry, I don't understand (check the bolded part)
following your rationale, my aswer'd be 1
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Please allow me to introduce myself: I'm a man of wealth and taste

Senior Manager
Joined: 11 Jan 2006
Posts: 269
Location: Chennai,India
Re: PS: Remainder [#permalink]

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05 Feb 2006, 10:30
joemama142000 wrote:
TeHCM wrote:
Where did everyone go? Seems like there are only the three of us.....

What is the reminder of 3^(50)/4?

1,3,9,7,1

7/4 r3

remainder 3

can u explain with more detail ! not a bright student here
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vazlkaiye porkalam vazltuthan parkanum.... porkalam maralam porkalthan maruma

Director
Joined: 17 Oct 2005
Posts: 928
Re: PS: Remainder [#permalink]

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05 Feb 2006, 13:47
razrulz wrote:
joemama142000 wrote:
TeHCM wrote:
Where did everyone go? Seems like there are only the three of us.....

What is the reminder of 3^(50)/4?

1,3,9,7,1

7/4 r3

remainder 3

can u explain with more detail ! not a bright student here

i think i messed up
these are the units
3^1=3
3^2=9
3^3=7
3^4=1

3^50=9 9/4==remainder 1
SVP
Joined: 28 Dec 2005
Posts: 1558

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05 Feb 2006, 19:04
i dont follow ....
GMAT Club Legend
Joined: 07 Jul 2004
Posts: 5043
Location: Singapore

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05 Feb 2006, 20:23
3^1/4 = 3/4 - R3
3^2/4 = 9/4 - R1
3^3/4 = 27/4 - R3
3^4/4 = 81/4 - R1

Even powers always give R1.
So 3^(50)/4 will give a remainder of 1

As for the question where we went, I'm not sure about the rest, but I was busy with work, recovering from a neck strain and relaxing over the weekends !!
VP
Joined: 06 Jun 2004
Posts: 1053
Location: CA

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05 Feb 2006, 21:43
Giddi and ywilfred have the OE.

OA is 1
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Don't be afraid to take a flying leap of faith.. If you risk nothing, than you gain nothing...

05 Feb 2006, 21:43
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Where did everyone go? Seems like there are only the three

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