Official Quant thread for CAT 2013

@Rage126 said:
@techsurge Bhai ek baat bolon iska anwer mera 4 aa raha hai. circle ki equation hai with center 4 and 6 bas radius dhoondna hai, minimum tabhi hoga jab ye line tangent ho jaye . matlab 4,6 se perpendicular distance dhoondna hai to given line .

@catter2011 said:Minimum value of root((x-4)^2 + (y-6)^2) if 8x+6y=28 ?

Am I right?
sir jee tussi great ho
itna sab soch bhi liya, hum to exam mein skip hi karte , itna sab dekh ke sochna, abh us level pe nahi pahunche :banghead:
@techsurge said:
sir jee tussi great hoitna sab soch bhi liya, hum to exam mein skip hi karte , itna sab dekh ke sochna, abh us level pe nahi pahunche
yup answr is 4
@Rage126 said:
@techsurgeBhai ek baat bolon iska anwer mera 4 aa raha hai. circle ki equation hai with center 4 and 6 bas radius dhoondna hai, minimum tabhi hoga jab ye line tangent ho jaye . matlab 4,6 se perpendicular distance dhoondna hai to given line .@catter2011 said:Minimum value of root((x-4)^2 + (y-6)^2) if 8x+6y=28 ?Am I right?
4*4+3*6-14/root(4^2+3^2) => 20/5 = 4

attaches..

@gautam22 said:
21?
yup
@catter2011 said:
attaches..
21
105-84
@catter2011 said:
attaches..
21, (105 - 84)

in how many ways can 4 socks be selected from a wardrobe containing 5 blue, 4 green, 3 yellow socks?

Area bounded by the region x^2 + y^2 =4 ; |X|=2 and |y| =2 is

16
16-4pie
8
4-4pie
None

@amresh_maverick said:
Area bounded by the region x^2 + y^2 =4 ; |X|=2 and |y| =2 is1616-4pie84-4pieNone
option 2?
@audiq7 said:
in how many ways can 4 socks be selected from a wardrobe containing 5 blue, 4 green, 3 yellow socks?
12C4 ?
@audiq7 said:
in how many ways can 4 socks be selected from a wardrobe containing 5 blue, 4 green, 3 yellow socks?
14?
@maddy2807 said:
14?
EDIT
@audiq7 said:
14 hi a raha hai yaar. waats the OA?
@audiq7 said:
in how many ways can 4 socks be selected from a wardrobe containing 5 blue, 4 green, 3 yellow socks?
6*2=12?
@amresh_maverick 16-4 pie
@maddy2807 OA is 495. Arun sharma, LOD 1, prblm 43. muze bhi nahi samaz aa raha ye kya hai
@amresh_maverick said:
Area bounded by the region x^2 + y^2 =4 ; |X|=2 and |y| =2 is1616-4pie84-4pieNone
OA 16-4pie
@rachit_28 said:
12C4 ?
sry dude, u were correct.
@audiq7 said:
sry dude, u were correct. kaise kiya?
total socks- 12
select 4
12C4

but i doubt it.