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## Re: [2IIM CAT Prep] querry

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• The Answer should be 1038 , because there are 30 squares ( from 2 to 31) and 9 cubes(from 2 to 10 ) and two are eliminated( 64 and 729) .So in total there are
Message 1 of 10 , Jun 13, 2009
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The Answer should be 1038 , because there are 30 squares ( from 2 to 31) and 9 cubes(from 2 to 10 ) and two are eliminated( 64 and 729) .So in total there are 37( 30+9 -2) nos including cubes and squares .
And the series is starting from 2 , therefore 1000th term is 1000 + 37 + 1 = 1038

vaibhav

--- On Wed, 22/4/09, SATHISH KUMAR <samuelsathish_89@...> wrote:

From: SATHISH KUMAR <samuelsathish_89@...>
Subject: Re: [2IIM CAT Prep] querry
To: ascent4cat@yahoogroups.com
Date: Wednesday, 22 April, 2009, 11:14 AM

the number 64 is in both squares and cubes, so it has to be eliminated only once.. correct me if i am wrong

--- On Wed, 25/3/09, vinayak <vi_nayak@yahoo. com> wrote:

From: vinayak <vi_nayak@yahoo. com>
Subject: Re: [2IIM CAT Prep] querry
To: ascent4cat@yahoogro ups.com
Date: Wednesday, 25 March, 2009, 3:39 PM

--- On Tue, 3/17/09, akash goel <akash_3512@yahoo. co.in> wrote:

From: akash goel <akash_3512@yahoo. co.in>
Subject: [2IIM CAT Prep] querry
To: "ascent" <ascent4cat@yahoogro ups.com>
Date: Tuesday, March 17, 2009, 7:24 AM

 Hi, The answer is D, Because there are 31 square numbers(1 4 9 16 25 36 49 64 81 100 121 144 169 196 225 256 289 324 361 400 441 484 529 576 625 676 729 784 841 900 961) &  9 Cube numbers(8 27 64 125 216 343 512 729 1000). So total 40 number will be eliminated from sequence and 1041 is the 1000th term.- Vinayak
» Question
The sequence 2, 3, 5, 6, 7, 10, 11, .... consists of all positive integers that are not a square or a cube.
Find the 1000th term.

Choices
 A. 1038
 B. 1028
 C. 1039
 D. 1041
 E. 1029

akash goel

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• among number 1 to 1000 there are 38 numbers (=40-2) which are either square or cube or both.   So the sequence below   2, 3 , 5, ..... , 1001 will
Message 2 of 10 , Jun 17, 2009
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 among number 1 to 1000 there are 38 numbers (=40-2) which are either square or cube or both. So the sequence below  2, 3 , 5, ..... , 1001 will have  (1000 - 38) terms. We need 1000th term, so add 38 more numbers into the sequence. so the new sequence will be, 2,3,5, ....., 1001, 1002, .., 1024, ..., 1039 (=1001 + 38) This will have 1000 terms. But this contains 1024 which is a square (= 32x32). So removing 1024 will reduce number of the number of terms in the above sequence to 999. So to make it 1000 term sequence we need to add one more number to it i.e. 1040, which eventually would be the 1000th term. But this is not there in the option. So, either options are wrong or my explanation is wrong!Sandeep --- On Mon, 4/5/09, vicky_rulz2002 wrote:From: vicky_rulz2002 Subject: Re: [2IIM CAT Prep] querryTo: ascent4cat@yahoogroups.comDate: Monday, 4 May, 2009, 6:40 PMAs well as the number 729, hence both 64 n 729 will be eliminated once and the answer will be 1039 , c...--- In ascent4cat@yahoogro ups.com, SATHISH KUMAR wrote:>> the number 64 is in both squares and cubes, so it has to be eliminated only once.. correct me if i am wrong> > --- On Wed, 25/3/09, vinayak wrote:> > > From: vinayak > Subject: Re: [2IIM CAT Prep] querry> To: ascent4cat@yahoogro ups.com> Date: Wednesday, 25 March, 2009, 3:39 PM> > > > > > > > > > > Hi, The answer is D, Because there are 31 square numbers(1 4 9 16 25 36 49 64 81 100 121 144 169 196 225 256 289 324 361 400 441 484 529 576 625 676 729 784 841 900 961) &  9 Cube numbers(8 27 64 125 216 343 512 729 1000).. So total 40 number will be eliminated from sequence and 1041 is the 1000th term.> > > - Vinayak> > > > > > > > --- On Tue, 3/17/09, akash goel wrote:> > > From: akash goel > Subject: [2IIM CAT Prep] querry> To: "ascent" > Date: Tuesday, March 17, 2009, 7:24 AM> > > > > > > > > > > > > » Question> > > The sequence 2, 3, 5, 6, 7, 10, 11, ... consists of all positive integers that are not a square or a cube. > > Find the 1000th term.> >  > > Choices> > > > > > > > A.> 1038> > > > > > > > > > > B.> 1028> > > > > > > > > > > C.> 1039 > > > > > > > > > > > D.> 1041> > > > > > > > > > > E.> 1029> > akash goel> > > Add more friends to your messenger and enjoy! Invite them now.> > > > > > > > > > > > > > > > > > > > > > From Chandigarh to Chennai - find friends all over India. Go to http://in.promos. yahoo.com/ groups/citygroup s/>

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• There are 32 squares between the closest answer (1, , 9 ,...... 1024) { 1024 is the square of 32.} There are 10 cubes between the closest answer (1, 8,
Message 3 of 10 , Jun 19, 2009
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There are 32 squares between the closest answer (1, , 9 ,...... 1024) { 1024 is the square of 32.}

There are 10 cubes between the closest answer (1, 8, .....1000).

So in total 42 terms.
But 64 and 729 are both squares and cubes.
And 1 is not a part of the sequence as the sequence starts from 2,3....

so 42-4 = 38 terms.
Hence the 1000th term moves 38 terms ahead. So the answer is 1038.

--- In ascent4cat@yahoogroups.com, "vicky_rulz2002" <vicky_rulz2002@...> wrote:
>
> As well as the number 729, hence both 64 n 729 will be eliminated once and the answer will be 1039 , c...
> --- In ascent4cat@yahoogroups.com, SATHISH KUMAR <samuelsathish_89@> wrote:
> >
> > the number 64 is in both squares and cubes, so it has to be eliminated only once.. correct me if i am wrong
> >
> > --- On Wed, 25/3/09, vinayak <vi_nayak@> wrote:
> >
> >
> > From: vinayak <vi_nayak@>
> > Subject: Re: [2IIM CAT Prep] querry
> > To: ascent4cat@yahoogroups.com
> > Date: Wednesday, 25 March, 2009, 3:39 PM
> >
> >
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> > Hi, The answer is D, Because there are 31 square numbers(1 4 9 16 25 36 49 64 81 100 121 144 169 196 225 256 289 324 361 400 441 484 529 576 625 676 729 784 841 900 961) &  9 Cube numbers(8 27 64 125 216 343 512 729 1000).. So total 40 number will be eliminated from sequence and 1041 is the 1000th term.
> >
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> > - Vinayak
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> > --- On Tue, 3/17/09, akash goel <akash_3512@yahoo. co.in> wrote:
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> > From: akash goel <akash_3512@yahoo. co.in>
> > Subject: [2IIM CAT Prep] querry
> > To: "ascent" <ascent4cat@yahoogro ups.com>
> > Date: Tuesday, March 17, 2009, 7:24 AM
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> > » Question
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> > The sequence 2, 3, 5, 6, 7, 10, 11, ... consists of all positive integers that are not a square or a cube.
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> > Find the 1000th term.
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> > Choices
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> > 1028
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> > 1039
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> > 1041
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> > 1029
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> > akash goel
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> > Add more friends to your messenger and enjoy! Invite them now.
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> > From Chandigarh to Chennai - find friends all over India. Go to http://in.promos.yahoo.com/groups/citygroups/
> >
>
• my dear friend one more no. that is 1024 is eliminated bcz it is perfect square of 32 so dats y answer is 1039. ... From: vaibhav varshney
Message 4 of 10 , Jul 20, 2009
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my dear friend
one more no. that is 1024 is eliminated bcz it is perfect square of 32 so dats y answer is 1039.

--- On Sun, 6/14/09, vaibhav varshney <vaibhav_3758@...> wrote:

From: vaibhav varshney <vaibhav_3758@...>
Subject: Re: [2IIM CAT Prep] querry
To: ascent4cat@yahoogroups.com
Date: Sunday, June 14, 2009, 11:47 AM

The Answer should be 1038 , because there are 30 squares ( from 2 to 31) and 9 cubes(from 2 to 10 ) and two are eliminated( 64 and 729) .So in total there are 37( 30+9 -2) nos including cubes and squares .
And the series is starting from 2 , therefore 1000th term is 1000 + 37 + 1 = 1038

vaibhav

--- On Wed, 22/4/09, SATHISH KUMAR <samuelsathish_ 89@yahoo. co.in> wrote:

From: SATHISH KUMAR <samuelsathish_ 89@yahoo. co.in>
Subject: Re: [2IIM CAT Prep] querry
To: ascent4cat@yahoogro ups.com
Date: Wednesday, 22 April, 2009, 11:14 AM

the number 64 is in both squares and cubes, so it has to be eliminated only once.. correct me if i am wrong

--- On Wed, 25/3/09, vinayak <vi_nayak@yahoo. com> wrote:

From: vinayak <vi_nayak@yahoo. com>
Subject: Re: [2IIM CAT Prep] querry
To: ascent4cat@yahoogro ups.com
Date: Wednesday, 25 March, 2009, 3:39 PM

--- On Tue, 3/17/09, akash goel <akash_3512@yahoo. co.in> wrote:

From: akash goel <akash_3512@yahoo. co.in>
Subject: [2IIM CAT Prep] querry
To: "ascent" <ascent4cat@yahoogro ups.com>
Date: Tuesday, March 17, 2009, 7:24 AM

 Hi, The answer is D, Because there are 31 square numbers(1 4 9 16 25 36 49 64 81 100 121 144 169 196 225 256 289 324 361 400 441 484 529 576 625 676 729 784 841 900 961) &  9 Cube numbers(8 27 64 125 216 343 512 729 1000). So total 40 number will be eliminated from sequence and 1041 is the 1000th term.- Vinayak
» Question
The sequence 2, 3, 5, 6, 7, 10, 11, .... consists of all positive integers that are not a square or a cube.
Find the 1000th term.

Choices
 A. 1038
 B. 1028
 C. 1039
 D. 1041
 E. 1029

akash goel

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Now surf faster and smarter ! Check out the new Firefox 3 - Yahoo! Edition * Click here!

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