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    Number system doubts Quantitative
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    Ankur90
    There are 2 lights,1 red and the other green.The red one flashes 3 times every minute and the green one flashes 5 times every two minutes.If the light start flashing together ,then the total no of times in an hour is ??
    A)30 B)24 c)48 D) none
    Ankur90
    04:41 PM, 30 Jul '12
    30 Jul '12
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    There are 2 lights,1 red and the other green.The red one flashes 3 times every minute and the green one flashes 5 times every two minutes.If the light start flashing together ,then the total no of times in an hour is ??

    A)30 B)24 c)48 D) none
    Finding an aim in life now
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      raghav507
      06 Aug '12
      continue here.
      http://www.pagalguy.com/forums/quantitative-ability-and-di/number-system-questions-and-discussions-t-43728
      raghav507
      03:32 AM, 06 Aug '12
      06 Aug '12
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      continue here.

      http://www.pagalguy.com/forums/quantitative-ability-and-di/number-system-questions-and-discussions-t-43728
      www.raghavabbhi.com | My take on CAT: www.pagalguy.com/forums/cat-and-rel...  
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        swapnil.puy
        03 Aug '12
        @[600413:Ankur90] take 24 common out 24242424.......(200 times)......we get 24 (01010101010101......(200 times) now we can write 0101010101......(200 times) as ( 1000000000000000000(201 digits) - 9999999999999999...........(200 times) ...therefore when divide 100000000.....(201 digits) using rema...
        swapnil.puy
        10:55 PM, 03 Aug '12
        03 Aug '12
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        @[600413:Ankur90] take 24 common out 24242424.......(200 times)......we get 24 (01010101010101......(200 times) now we can write 0101010101......(200 times) as ( 1000000000000000000(201 digits) - 9999999999999999...........(200 times) ...therefore when divide 100000000.....(201 digits) using remainder theorem we get remainder 1.....and when we divide 9999999999.......(200 times) by 99 we get remainder 0 ... therefore we get total remainder for 0101010101010101010101......(200 times ) / 99 equal to 1 .......as we have taken 24 common before ..therefore 24 (1) gives remainder = 24...
        "A Mind is a Terrible Thing to Waste "
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          • ankitrocks @misbpgpb - Can you please tell me about the placements?
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          swapnil.puy
          03 Aug '12
          @[600413:Ankur90] answer should be 24 .
          swapnil.puy
          10:44 PM, 03 Aug '12
          03 Aug '12
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          @[600413:Ankur90] answer should be 24 .
          "A Mind is a Terrible Thing to Waste "
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            vanquish_cat12
            03 Aug '12
            @[600413:Ankur90] Three consecutive +ve integers are raised to their 1st,2nd and 3rd power respctvly and are thn added. The sum so obtained is a perfect square whose roots equal the total of the three original integersm Which of the following best describes the minimum say m of these integers?A) ...
            vanquish_cat12
            10:07 PM, 03 Aug '12
            03 Aug '12
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            @[600413:Ankur90]
            Three consecutive +ve integers are raised to their 1st,2nd and 3rd power respctvly and are thn added. The sum so obtained is a perfect square whose roots equal the total of the three original integersm Which of the following best describes the minimum say m of these integers?
            A) 1<=m<=3
            B)4<=m<=6
            C)7<=m<=9
            D)10<=m<=12
            E)13<=m<=15

            is option A the answer ??
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              Ankur90
              31 Jul '12
              Does any 1 knows it ??
              Ankur90
              05:15 PM, 31 Jul '12
              31 Jul '12
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              @Ankur90 said: when 242424.......(200 times) .What is the remainder when divided by 99???
              Does any 1 knows it ??
              Finding an aim in life now
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                Ankur90
                30 Jul '12
                @[316381:visionIIM-ACL] Sir, I have seen that page but could you clear my above doubts.??
                Ankur90
                10:57 PM, 30 Jul '12
                30 Jul '12
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                @[316381:visionIIM-ACL] Sir, I have seen that page but could you clear my above doubts.??
                Finding an aim in life now
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                  visionIIM-ACL
                  30 Jul '12
                  People,
                  Following thread should help you more on discussions about Number System! http://pagalguy.com/forums/quantitative-ability-and-di/number-system-ii-t-43728/p-1642745
                  All the best.
                  visionIIM-ACL
                  10:02 PM, 30 Jul '12
                  30 Jul '12
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                  People,

                  Following thread should help you more on discussions about Number System! :)
                  http://pagalguy.com/forums/quantitative-ability-and-di/number-system-ii-t-43728/p-1642745

                  All the best.
                  ** MBA is hyped but post MBA life is over hyped **
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                    Michael_corleon
                    30 Jul '12
                    @[498150:sushantbarma] justify
                    Michael_corleon
                    09:29 PM, 30 Jul '12
                    30 Jul '12
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                    @[498150:sushantbarma] justify
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                      Michael_corleon
                      30 Jul '12
                      anyone knows this ??
                      Michael_corleon
                      09:28 PM, 30 Jul '12
                      30 Jul '12
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                      @Ankur90 said: when 242424.......(200 times) .What is the remainder when divided by 99???
                      anyone knows this ??
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                        Ankur90
                        30 Jul '12
                        @[498150:sushantbarma] how come 24 ?? please justify ..?
                        Ankur90
                        09:05 PM, 30 Jul '12
                        30 Jul '12
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                        @[498150:sushantbarma] how come 24 ?? please justify ..?
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                          sushantbarma
                          30 Jul '12
                          Ans is 24
                          sushantbarma
                          07:34 PM, 30 Jul '12
                          30 Jul '12
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                          @Ankur90 said: when 242424.......(200 times) .What is the remainder when divided by 99???
                          Ans is 24
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                            sushantbarma
                            30 Jul '12
                            @[600413:Ankur90] Ans is B??
                            sushantbarma
                            07:33 PM, 30 Jul '12
                            30 Jul '12
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                            @[600413:Ankur90]
                            @Ankur90 said: Three consecutive +ve integers are raised to their 1st,2nd and 3rd power respctvly and are thn added. The sum so obtained is a perfect square whose roots equal the total of the three original integersm Which of the following best describes the minimum say m of these integers?
                            A) 1<=m<=3
                            B)4<=m<=6
                            C)7<=m<=9
                            D)10<=m<=12
                            E)13<=m<=15
                            Ans is B??

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                              Ankur90
                              30 Jul '12
                              Three consecutive +ve integers are raised to their 1st,2nd and 3rd power respctvly and are thn added. The sum so obtained is a perfect square whose roots equal the total of the three original integersm Which of the following best describes the minimum say m of these integers?
                              A) 1<=m<=3B)4<=m...
                              Ankur90
                              07:04 PM, 30 Jul '12
                              30 Jul '12
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                              Three consecutive +ve integers are raised to their 1st,2nd and 3rd power respctvly and are thn added. The sum so obtained is a perfect square whose roots equal the total of the three original integersm Which of the following best describes the minimum say m of these integers?

                              A) 1<=m<=3
                              B)4<=m<=6
                              C)7<=m<=9
                              D)10<=m<=12
                              E)13<=m<=15
                              Finding an aim in life now
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                                Ankur90
                                30 Jul '12
                                when 242424.......(200 times) .What is the remainder when divided by 99???
                                Ankur90
                                06:13 PM, 30 Jul '12
                                30 Jul '12
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                                when 242424.......(200 times) .What is the remainder when divided by 99???
                                Finding an aim in life now
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                                  Ankur90
                                  30 Jul '12
                                  For 2 positive nos a & b define function h(a,b) as HcF of a and b. Let A be the set of n +ve integers,G(A),the hcf of elements of A is computed repeatedly using the function h. The minimum no of times h is required to be used to compute G is ??
                                  A)n B)n+1 C)n-1 D)n+2 E)n-2
                                  Ankur90
                                  05:45 PM, 30 Jul '12
                                  30 Jul '12
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                                  For 2 positive nos a & b define function h(a,b) as HcF of a and b. Let A be the set of n +ve integers,G(A),the hcf of elements of A is computed repeatedly using the function h. The minimum no of times h is required to be used to compute G is ??

                                  A)n B)n+1 C)n-1 D)n+2 E)n-2
                                  Finding an aim in life now
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                                    peligro
                                    30 Jul '12
                                    sure buddy, will try to ans all i can..
                                    peligro
                                    05:23 PM, 30 Jul '12
                                    30 Jul '12
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                                    @Ankur90 said: @peligro thnxx a lot ..please stay tuned and ans ..
                                    sure buddy, will try to ans all i can..
                                    kuch karne ki ab hai thaani arre rok ke dikha na maamu!!!
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                                      Ankur90
                                      30 Jul '12
                                      @[528241:peligro] thnxx a lot ..please stay tuned and ans ..:)
                                      1 1
                                      Ankur90
                                      05:20 PM, 30 Jul '12
                                      30 Jul '12
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                                      @[528241:peligro] thnxx a lot ..please stay tuned and ans ..:)
                                      Finding an aim in life now
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                                        peligro
                                        30 Jul '12
                                        only one such no is possible i.e 59.. the approach is --> seeing the trend the remainder is just 1 less than the divisor. so just take the LCM of 2,3,4,5,6 and subtract 1. only one such no. exists..
                                        2 2
                                        peligro
                                        05:16 PM, 30 Jul '12
                                        30 Jul '12
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                                        @Ankur90 said:
                                        Let A denote the set of positive integers each of which when divided by 2,3,4,5, and 6 leaves remainder 1,2,3,4 and 5 resp..How many nos are possible betwenn 0 & 100 ??
                                        A) 0 B)1 C)2 D)3
                                        only one such no is possible i.e 59.. the approach is --> seeing the trend the remainder is just 1 less than the divisor. so just take the LCM of 2,3,4,5,6 and subtract 1. only one such no. exists..
                                        kuch karne ki ab hai thaani arre rok ke dikha na maamu!!!
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                                          peligro
                                          30 Jul '12
                                          the ans is a) 30.. see normally these kind of question require the LCM concept, but here u can do it by simple visualisation of clock. red light will flash every 20 seconds in a minute(20,40,60) and the green light will flash every 24 second for 2 min(24sec ,48 sec, 1min 12 sec, 1 min 36 sec and...
                                          1 1
                                          peligro
                                          05:13 PM, 30 Jul '12
                                          30 Jul '12
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                                          @Ankur90 said: There are 2 lights,1 red and the other green.The red one flashes 3 times every minute and the green one flashes 5 times every two minutes.If the light start flashing together ,then the total no of times in an hour is ??
                                          A)30 B)24 c)48 D) none
                                          the ans is a) 30.. see normally these kind of question require the LCM concept, but here u can do it by simple visualisation of clock. red light will flash every 20 seconds in a minute(20,40,60) and the green light will flash every 24 second for 2 min(24sec ,48 sec, 1min 12 sec, 1 min 36 sec and 2 min). now just see that the timing of green light and red light match only once i.e at 2nd minute. so they flash together once in 2 min which which implies 30 ties in an hour..
                                          kuch karne ki ab hai thaani arre rok ke dikha na maamu!!!
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                                            Ankur90
                                            30 Jul '12
                                            Let A denote the set of positive integers each of which when divided by 2,3,4,5, and 6 leaves remainder 1,2,3,4 and 5 resp..How many nos are possible betwenn 0 & 100 ??
                                            A) 0 B)1 C)2 D)3
                                            Ankur90
                                            05:11 PM, 30 Jul '12
                                            30 Jul '12
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                                            @Ankur90 said: There are 2 lights,1 red and the other green.The red one flashes 3 times every minute and the green one flashes 5 times every two minutes.If the light start flashing together ,then the total no of times in an hour is ??
                                            A)30 B)24 c)48 D) none
                                            Let A denote the set of positive integers each of which when divided by 2,3,4,5, and 6 leaves remainder 1,2,3,4 and 5 resp..How many nos are possible betwenn 0 & 100 ??

                                            A) 0 B)1 C)2 D)3
                                            Finding an aim in life now
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                                              Page 2 of 2
                                               
                                              Ankur90
                                              30 Jul '12
                                              @[599940:Michael_corleon] hey please help me wth the ans
                                              Ankur90
                                              05:02 PM, 30 Jul '12
                                              30 Jul '12
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                                              @[599940:Michael_corleon] hey please help me wth the ans

                                              Finding an aim in life now
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                                                Michael_corleon
                                                30 Jul '12
                                                i think u mean the total no of times they flash together is ..
                                                A) 30
                                                Michael_corleon
                                                04:55 PM, 30 Jul '12
                                                30 Jul '12
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                                                i think u mean the total no of times they flash together is ..

                                                A) 30
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