Official Quant thread for CAT 2013

@Messy_19 said:
Options:32564
sorry i did not read the ratio part.
it has to be 4 then, 11,12,15,18 this will cover all the possible ratios
correct me if wrng?

EDITED

12 18 24 36 48

@Messy_19 ratios 1:2 1:8
@Messy_19 said:
A two digit number with non zero digits, has its units digit divisible by its tens digit. The number is divisible by the average of its digits. How many possible values can the ratio of units digit and tens digit assume?
16 shayad prep section ka q hai
@ScareCrow28 said:
3?..1600, 1681 and 2500 ...I don't know whether to include 00 at last or not
with non-zero digit.. so only 1681

00 won't come, non-zero is mentioned. Answer is 1



@ScareCrow28 said:
3?..1600, 1681 and 2500 ...I don't know whether to include 00 at last or not
@maddy2807 said:
11681= 41^2
@surajsrivastav said:
with non-zero digit.. so only 1681
appraoch ??
@Messy_19 said:
Options:32564
2
@Brooklyn said:
2
how?

OA is 4



@Brooklyn said:
16 shayad prep section ka q hai
@rkshtsurana said:
12 18 24 36 48@Messy_19 ratios 1:2 1:8
@maddy2807 said:
sorry i did not read the ratio part.it has to be 3 thencorrect me if wrng?
@Brooklyn said:
appraoch ??
same try an error..
AB can take two values 16,25... rest try and error..
@maddy2807 said:
how?
1:1 , 1:2 only 2 ratio possible i thnk or 3 i dont remeber had posted this q myself :P
@Messy_19 said:
OA is 4
had done it yaar , ihad postedd it my self here, didnt do it nw....to lazzy :/
A train takes 's' seconds to cross a boy standing on platform P. Find the lenght of train.

I. It can cross P which is 200m long in t secs.
II. Its speed is 60 Kmph

DS
@Messy_19 said:
A train takes 's' seconds to cross a boy standing on platform P. Find the lenght of train.I. It can cross P which is 200m long in t secs.II. Its speed is 60 KmphDS
Can deduce from both the conditions individually??
@Messy_19 said:
A train takes 's' seconds to cross a boy standing on platform P. Find the lenght of train.I. It can cross P which is 200m long in t secs.II. Its speed is 60 KmphDS
either from alone in terms of variable or cant be answered
@Messy_19 said:
A train takes 's' seconds to cross a boy standing on platform P. Find the lenght of train.I. It can cross P which is 200m long in t secs.II. Its speed is 60 KmphDS
my take
can be answered by either alone.
@ScareCrow28
@maddy2807
@Brooklyn


@Messy_19 said:
A train takes 's' seconds to cross a boy standing on platform P. Find the lenght of train.I. It can cross P which is 200m long in t secs.II. Its speed is 60 KmphDS
can not b answered even by using both.......
@Messy_19 explain how ? I am getting CBD