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Official Quant Thread for CAT 2012 [part 2]

visionIIM-ACL
UnderDog Mod @visionIIM-ACL 107.6 k
Posted 01 Apr '12
Hi all Please continue here :smiley: http://www.pagalguy.com/forum/cat-and-related-discussion/80436-official-quant-thread-cat-2012-a.html Happy Solving! ::
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alokkhg
Alok Kumar @alokkhg 74
Posted 01 Apr '12
> What is the next no. In below series? 1,11,21,1211,111221,? 1.312211 2.222211 3.311211 4.211211 ans : 3.311211
What is the next no. In below series?
1,11,21,1211,111221,?

1.312211
2.222211
3.311211
4.211211


ans : 3.311211
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pkaman
Pankaj Kamani @pkaman 7.8 k
Posted 01 Apr '12
> I guessed this one would be option five because the answer would be 12+a*sqrt(b) :sneaky: And only option5, has that form. But is there a better way to do this? Something conceptual? P.s. Encleadus = Saransh bhai? and Pkaman = faad pankaj kamani? Yeah ... :-P And you...
I guessed this one would be option five because the answer would be 12+a*sqrt(b) :sneaky:

And only option5, has that form. But is there a better way to do this? Something conceptual?


P.s. Encleadus = Saransh bhai? and Pkaman = faad pankaj kamani?



Yeah ... :-P

And you are THE Omkar Parab ? :)

Continue here :

http://www.pagalguy.com/forum/cat-and-related-discussion/80436-official-quant-thread-cat-2012-a.html#post3383653
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Omkarp
Omkar Parab @Omkarp 44.0 k
Posted 01 Apr '12
> may be coz,i'd found myself understanding the problem:) but really thanks a lot for your effort.. Another Q from geometry: [image] OA:5 P.S : Good Night,And Good Luck I guessed this one would be option 5 because the answer would be 12+a*sqrt(b) :sneaky: 1...
may be coz,i'd found myself understanding the problem:)

but really thanks a lot for your effort..

Another Q from geometry:



OA:5


P.S : Good Night,And Good Luck



I guessed this one would be option 5 because the answer would be 12+a*sqrt(b) :sneaky:
12 because AE + ED = 12, and the other side would be a*sqrt(80)

And only option5, has that form. But is there a better way to do this? Something conceptual?


P.s. Encleadus = Saransh bhai? and Pkaman = faad pankaj kamani?
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sumit99
Ardent Pandit @sumit99 1.4 k
Posted 01 Apr '12
> 312211 OA kya hai ? Bro aapne ek baar jo bol diya OA wahi hota hai. Namaskaar pankaj bhai!!
312211

OA kya hai ?


Bro aapne ek baar jo bol diya OA wahi hota hai.
Namaskaar pankaj bhai!!
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pkaman
Pankaj Kamani @pkaman 7.8 k
Posted 01 Apr '12
Guys, Please continue here ... :) http://www.pagalguy.com/forum/cat-and-related-discussion/80436-official-quant-thread-cat-2012-a.html#post3383653
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Omkarp
Omkar Parab @Omkarp 44.0 k
Posted 01 Apr '12
> What is the next no. In below series? 1,11,21,1211,111221,? 1.312211 2.222211 3.311211 4.211211 It is 1. 312211 Concentrate on how the numbers are said,
What is the next no. In below series?
1,11,21,1211,111221,?

1.312211
2.222211
3.311211
4.211211


It is 1. 312211

Concentrate on how the numbers are said,
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Enceladus
Saransh Sood @Enceladus 7.3 k
Posted 01 Apr '12
> What is the next no. In below series? 1,11,21,1211,111221,? 1.312211 2.222211 3.311211 4.211211 This is just counting the number of 1's and 2's. 3 times 1 then 2 times 2 then 1 time 1. So, 312211.
What is the next no. In below series?
1,11,21,1211,111221,?

1.312211
2.222211
3.311211
4.211211


This is just counting the number of 1's and 2's.
3 times 1 then 2 times 2 then 1 time 1.
So, 312211.
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pkaman
Pankaj Kamani @pkaman 7.8 k
Posted 01 Apr '12
> What is the next no. In below series? 1,11,21,1211,111221,? 1.312211 2.222211 3.311211 4.211211 312211 OA kya hai ?
What is the next no. In below series?
1,11,21,1211,111221,?

1.312211
2.222211
3.311211
4.211211


312211

OA kya hai ?
Commenting on this post has been disabled.
Omkarp
Omkar Parab @Omkarp 44.0 k
Posted 01 Apr '12
For the M:N wala question it should be 3:2 as explained by arumugudas I think. :grin:
For the M:N wala question it should be 3:2 as explained by arumugudas I think. :grin:
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sumit99
Ardent Pandit @sumit99 1.4 k
Posted 01 Apr '12
What is the next no. In below series? 1,11,21,1211,111221,? 1.312211 2.222211 3.311211 4.211211
What is the next no. In below series?
1,11,21,1211,111221,?

1.312211
2.222211
3.311211
4.211211
Commenting on this post has been disabled.
arumugadas
arumugam das @arumugadas 91
Posted 01 Apr '12
> devanshu97 Says > > A and B pick up a ball at random from a bag containing M red and N yellow colored balls one after the other replacing the ball everytime till one of them gets red ball. The first one to get a red ball is declared the winner. If A begins the game and odds in favor of his win...
devanshu97 Says
A and B pick up a ball at random from a bag containing M red and N yellow colored balls one after the other replacing the ball everytime till one of them gets red ball. The first one to get a red ball is declared the winner. If A begins the game and odds in favor of his winning the game are 3 to 2, then find the ratio of M:N



i might be wrong ....

i am trying because u asked ........ask jain bhai or varun thaygi ..........

odds in favour = p(E)/p(E') =3/2


its written who gets the red ball will win so winning for A is 3/x and and not winning is 2/x ...here wat is x total no of balls 3 red and 2 yellow ie 5 balls

since the balls are replaced before every draw it remains 5

so M:N =3:2

tell me the ans ...check pls:)
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mani0303
a a @mani0303 3.6 k
Posted 01 Apr '12
> sumit99 Says > > Gr8 move u gt it nice. M on mobile bhai u r absolutely ri8,by the way hw u got that i m on mobile. may be coz,i'd found myself understanding the problem:) but really thanks a lot for your effort.. Another Q from geometry: [image] OA:5 P.S : G...
sumit99 Says
Gr8 move u gt it nice. M on mobile bhai u r absolutely ri8,by the way hw u got that i m on mobile.


may be coz,i'd found myself understanding the problem:)

but really thanks a lot for your effort..

Another Q from geometry:



OA:5


P.S : Good Night,And Good Luck
  • 1 Like  
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Omkarp
Omkar Parab @Omkarp 44.0 k
Posted 01 Apr '12
> sumit99 Says > > A father and his son starts at a pt. A wid speeds 12kmph and 18kmph and reach another pt. B. If his son starts 60 min. After his fathet at A and reaches 60 min earlier than his father. Wat is the distance between A and B. 12*(x+2) = 18x 24 = 6x x=4 D=72
sumit99 Says
A father and his son starts at a pt. A wid speeds 12kmph and 18kmph and reach another pt. B. If his son starts 60 min. After his fathet at A and reaches 60 min earlier than his father. Wat is the distance between A and B.


12*(x+2) = 18x

24 = 6x
x=4

D=72
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arumugadas
arumugam das @arumugadas 91
Posted 01 Apr '12
> sumit99 Says > > A father and his son starts at a pt. A wid speeds 12kmph and 18kmph and reach another pt. B. If his son starts 60 min. After his fathet at A and reaches 60 min earlier than his father. Wat is the distance between A and B. the question says father has to travel 2 hrs mor...
sumit99 Says
A father and his son starts at a pt. A wid speeds 12kmph and 18kmph and reach another pt. B. If his son starts 60 min. After his fathet at A and reaches 60 min earlier than his father. Wat is the distance between A and B.


the question says father has to travel 2 hrs more than son

diff between their speed is 6 km

so 6*4 = 24 km which will make the father to travel two hrs more


so 18*4 = 72 km
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