Official Quant thread for CAT 2013

@iLoveTorres said:
5)None of these?
6) NO OA available
@albiesriram said:
9.5 ..approx
bht calculations he
@iLoveTorres said:
A car which was driven in fog passed a man walking at 3 km/hr in the same direction. He could see the car for 4 min & upto a distance of 100 m.what was the speed of the car.
(x-3) / 15 = 0.1 ; x = 4.5

in the land of famous milkman a milkman sell his buffalo for 720 at some profit. had he sold his buffalo at 510 the quantum of the loss incurred would have been double that of profit earned . what is CP?

Two trains A & B start frm stations X & y towards each other.B leaves station Y half an hour aftr train A leaves station X.two hrs aftr train A has strtd,the dist between the trains A & B is 19/30th of the dist between stations X & y.how much time would it take each train (A & B) to cover the distance X to Y,if train A reaches half an hr ltr to its dest as compared to B
@albiesriram said:
F(f(x,y))=-|x+y|
G(f(x,y))=|x+y|
1)option 4
2)f(1,f(-3,3))
f(1,0)=1

3)3
@vbhvgupta said:
in the land of famous milkman a milkman sell his buffalo for 720 at some profit. had he sold his buffalo at 510 the quantum of the loss incurred would have been double that of profit earned . what is CP?
650?
@iLoveTorres said:
650?
ans given in book is none of these..so may be true 650
@vbhvgupta said:
in the land of famous milkman a milkman sell his buffalo for 720 at some profit. had he sold his buffalo at 510 the quantum of the loss incurred would have been double that of profit earned . what is CP?
650

@vbhvgupta said:
ans given in book is none of these..so may be true 650
since it is given as quantum toh i think it implies the absolute value and not the percentage if thats the case toh it was quite easy as 720-510=210 now you have to divide this in three parts each part is 70.
So if CP=650 toh profit will be 70 and loss will be 140.

scrabbler Bhai yeh meine orally kiya :P
Sixty equally spaced line segments are drawn on a circular clock such that each line segment is a
radius of the circle. If the minute hand and the hour hand of the clock overlap with one of these line
segments at 12 Noon, then at what time during the next 12 hours will the minute hand overlap with
the line segment which is immediately prior to the line segment with which the hour hand overlaps?
(a) 4 : 24 P.M. (b) 2 : 12 P.M. (c) 9 : 48 P.M. (d) Cannot be detemined
@iLoveTorres said:
Two trains A & B start frm stations X & y towards each other.B leaves station Y half an hour aftr train A leaves station X.two hrs aftr train A has strtd,the dist between the trains A & B is 19/30th of the dist between stations X & y.how much time would it take each train (A & B) to cover the distance X to Y,if train A reaches half an hr ltr to its dest as compared to B
D=a(t+1)
a=D/t+1
D=bt
b=D/t
2a +3b/2=11D/30

2D/t+1 +3D/t=11D/30
2/t+1 +3/t=11/30


options dede yaar
gandi calc h
@albiesriram said:
Total dist = 160

with 30 kmph petrol = 160/(3*16) = 10/3
with 40 kmph petrol = 160/(3*24) = 20/9
with 50 kmph petrol = 160/(3*16) = 10/3

OA = 8.88 ~ 8.9 ?
@Subhashdec2 said:
D=a(t+1)a=D/t+1D=btb=D/t2a +3b/2=11D/302D/t+1 +3D/t=11D/302/t+1 +3/t=11/30options dede yaargandi calc h
options nahi diye hue hai.. let me frame few myself :P
A)11hr,10hr
B)10hr,9hr
C)9.5hr,8.5hr
D)10.5hr,9.5hr
@Koushik98 said:
Sixty equally spaced line segments are drawn on a circular clock such that each line segment is aradius of the circle. If the minute hand and the hour hand of the clock overlap with one of these linesegments at 12 Noon, then at what time during the next 12 hours will the minute hand overlap withthe line segment which is immediately prior to the line segment with which the hour hand overlaps?(a) 4 : 24 P.M. (b) 2 : 12 P.M. (c) 9 : 48 P.M. (d) Cannot be detemined
9:48??

@Subhashdec2 yeah...pls give the approach
@vbhvgupta said:
in the land of famous milkman a milkman sell his buffalo for 720 at some profit. had he sold his buffalo at 510 the quantum of the loss incurred would have been double that of profit earned . what is CP?
650..
@iLoveTorres said:
options nahi diye hue hai.. let me frame few myself A)11hr,10hrB)10hr,9hrC)9.5hr,8.5hrD)10.5hr,9.5hr
C aa rha h sabse close...:D

Q1