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itsmetanvi
Tanvi Nair @itsmetanvi
I'm a newbie here..this is the only thing i could find write on..how do i use this forum?? help?

I'm a newbie here..this is the only thing i could find write on..how do i use this forum?? help?

  • 3Comments
  • @itsmetanvi people use this forum to post questions with .... 1m.
  • LOL....why so serious......nothing you do here will come .... 58s.
ankitsprofyle
ANKIT SHARMA @ankitsprofyle

Clarify your doubts by talking others, see conversations , follow experts and discussion you are interested in.

pulkit_malik
pulkit malik @pulkit_malik 32

@itsmetanvi people use this forum to post questions with oa. If you have tough questions then please post them here. Otherwise you may exercise your mind by solving the questions posted by people on this group

rohitdhan
rohit rohitdhanrajgir @rohitdhan 29

LOL....why so serious......nothing you do here will come back to haunt you so do whatever you want.......and BTW there is a search button just like google search anything (and please don't search cost of tomatoes today because you know it its high).....search and follow any of the threads you want to follow and post your experiences and queries on that particular thread or you can mail them to me (my address is 10 janpath,New Delhi ).....Its an online forum so explore you will learn more by exploring yourself then by letting an uneducated and misguided dimwit like me take you for a ride....Hope you got your answer......If satisfied tell others if not tell me......

vickyarnab
Vicky Arnab @vickyarnab 13
Bull CAT 03: QA/DI : 28C/7W VA/LR : 26C/5W OA : 54C/12W = 150 Did a huge mistake of checking scores of @shashwatdgr8 and @a-jay before giving the test.. :smiley: Did a lot of shuffling around! Lost a lot of time in that! Otherwise, an okay-ish mock!

Bull CAT 03:

QA/DI : 28C/7W

VA/LR : 26C/5W

OA : 54C/12W = 150

Did a huge mistake of checking scores of @shashwatdgr8  and       @a-jay  before giving the test..   Did a lot of shuffling around! Lost a lot of time in that!   Otherwise, an okay-ish mock!

  • 1 Like   3Comments
  • why was that a huge mistake?. 21m.
  • ^ I was kidding! :). 5m.
eshaan.2127
Eshaan Agarwal @eshaan.2127
Q3, Quant....Please explain the solution

Q3, Quant....Please explain the solution

  • Question bata bhai. 6m.
  • With options. 5m.
EnglishGrammar
Surinder Mahna @EnglishGrammar 628
Find out error in the following sentence if any and mark Sr. no. of the relative part. In case of no error mark Sr no.4. Ignore punctuation error . *For more similar exercises **www.englishgrammarlesson.blogspot.com.* *EXERCISE NO. E.198* *1\. We all have not gone 2.out of our room sinc...


Find out error in the following sentence if any and mark Sr. no. of the relative part. In case of no error mark Sr no.4. Ignore punctuation error .

For more similar exercises **www.englishgrammarlesson.blogspot.com.

EXERCISE NO. E.198

1.  We all have not gone 2.out of our room  since three days 3. because it is raining continuously.

68 people answered this question.
14 Comments
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findingbugs
prashant @findingbugs 14
OA: 139 pathetic This one has really derailed my peace of mind...

OA: 139 pathetic

This one has really derailed my peace of mind...

 

  • 13Comments
  • @riskitforthebiscuit bhai kahan se quant padh rahe ho? :.... 9m.
  • 299 marks possible hi nahi hain :stuck out tongue:. 8m.
saloni1931
Saloni Agarwal @saloni1931 12.1 k
Why are CL people renaming their mocks??? so confusing it is!! :disappointed: : disappointed:

Why are CL people renaming their mocks??? so confusing it is!! : disappointed:



  • naam me kya rakha hai :stuck out tongue:. 11m.
yashchawla
yashodh chawla @yashchawla
is it necessary to have 60% in grad for FMS??

is it necessary to have 60% in grad for FMS??

  • no. 17m.
a-jay
ayush jain @a-jay 177
takehome 111 qa-103 va-95 oa-198 :smiley:

takehome 111

qa-103

va-95

oa-198



  • 5 Likes   19Comments
  • bhai ye wale ki pdf ni ban pati..proctored walo ki hi ho .... 27m.
  • hmmm.... 18m.
CricCrazyAniks
Aniket Nandanwar @CricCrazyAniks 9
what is correct? I attended a 2 day workshop or I attended 2 days workshop I feel the first one..!

what is correct?


I attended a 2 day workshop


or I attended 2 days workshop 

I feel the first one..!

  • 8Comments
  • @sav-9 ni sir :neutral face:. 1h.
  • 1st one. "I attended a two day workshop". You have to men.... 19m.
angelfromthesky
Karan Babbar @angelfromthesky 51
Hi guys, I am planning to apply forPGPM in the 1st cycle. I have a score of around 89.65 percentile in CAT 13 with balances sectionals. Xth:77 XIIth:65 BTECH:74 Will be completing my 2 years in a top IT MNC by January. What are my chances of getting a call from GL?

Hi guys, 

I am planning to apply forPGPM in the 1st cycle. I have a score of around 89.65 percentile in CAT 13 with balances sectionals.

Xth:77

XIIth:65

BTECH:74

Will be completing my 2 years in a top IT MNC by January. What are my chances of getting a call from GL?

  • 8Comments
  • Hi I will be completing my two years in oct . Is this a w.... 23h.
  • Yes. It's a wise decision. Great Lakes follows seasonal c.... 24m.
  8 Comments
Rai89
Ms. Roy @Rai89 58

oohh.if for cycle 1 they are considering workex till march then you can apply..ATB

angelfromthesky
Karan Babbar @angelfromthesky 51


I am not really sure that was a question so just wanted to confirm?

rashasvi
Rahul @ Great lakes @rashasvi 15

Hi Karan, The process for selection in PGPM program at Great Lakes is majorly profile driven. With a good overall profile(that includes the quality of your work ex) and a decent percentile, your chances of being selected become high. Try a shot at exams this year too and apply.

Purti2
Purti Arora @Purti2 2

Hi I will be completing my two years in oct . Is this a wise decision to go  to GL . What is cycle 1 or cycle 2? 

rashasvi
Rahul @ Great lakes @rashasvi 15

Yes. It's a wise decision. Great Lakes follows seasonal cycle of admissions. There are 2 windows for admissions. Currently, first window is open and it ends on 30th Nov. Candidates who apply in this window will be eligible for admissions in first cycle and same goes for 2nd window which will open in January. One can apply in either cycle 1 or 2 or both. Separate shortlisting is done for both cycles. For details, Kindly visit, 

http://www.greatlakes.edu.in/programs-pgpm/admission-process

vinay_singh4u
vinay singh @vinay_singh4u 1
spoken to cat customer care twice. we can upload last year NC-OBC certificate now but carry latest during admission|

spoken to cat customer care twice.

we can upload last year NC-OBC certificate now but carry latest during admission|

  • 1 Like   21Comments
  • thanku :) and should we self attest the original or xero.... 43m.
  21 Comments
shvetha
@shvetha 1

thanku :)  and should we self attest the original or xerox of it?


appysingh818
Aparajita Singh @appysingh818 1
hey,can someone please send me alink to download the LR book by ARUN SHARMA

hey,can someone please send me alink to download the LR book by ARUN SHARMA


  • 1 Like   5Comments
  • gud. 1h.
  • praveenchauhan5j@gmail.com pe bhi please. i need all the .... 59m.
kingsly_333
kingsly jayanthan @kingsly_333 748
*Where are Diamonds found in India?*

Where are Diamonds found in India?


117 people answered this question.
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harshcat91
Harsh Vardhan Singh @harshcat91 2.0 k
TSD: PDF- Download link https://www.dropbox.com/s/j98eegi2iiazt59/TSD-Nitin.pdf In the entire TSD --- the only theory is D = S*T, the important thing is how you are going to use this formulae in different scenario. In cat 70% of the questions -- which had appeared can be solved using ----"Prop...

TSD:

PDF- Download link

https://www.dropbox.com/s/j98eegi2iiazt59/TSD-Nitin.pdf

In the entire TSD --- the only theory is D = S*T, the important thing is how you are going to use this formulae in different scenario. In cat 70% of the questions -- which had appeared can be solved using ----"Proportionality b/w Time, Speed and Distance" ----This is probably the most important topic in this chapter. And also the most thought-intensive. It provides the foundation to solve many tough problems orally!---- so today we will learn how to use this concept to solve Questions "ORALLY" --- in a minimum time--- so while solving the questions you all must try to solve orally ( means avoiding writing complicated equation) --- try solving by eq also --- you must mastered both techniques.

Usually in questions there are two scenarios. And in the two scenarios,
one among the three variables, S, D and T, is a constant. If one of these variables is a constant, we can use the proportionality relation among the other two to solve the question orally.

1) When speed is constant , D is directly proportional to T.
2) When Distance is Constant, S is inversely proportional to T.

We say that in questions there are two scenarios, it requires some efforts on your part to identify the two scenarios. The following are some common instances of how to tune your thought process towards identifying the two scenarios ......
(Complete questions are not given, just the crucial info is given, so don't be too argumentative about the conclusions)
1.Today I travelled 20 % faster from home to office ...
The two scenarios are 'everyday' and 'today'. And while it is directly given that speeds are not constant, you need to realize the stated assumption that distance covered, home to office, will not change between 'everyday' and 'today' and thus, distance is constant
2. Two friends started simultaneously from their homes towards each other to meet ......
The two scenarios are that of the two individuals. Since they start simultaneously and they meet, both of them are travelling for the same time. Thus, the time is constant when we consider the case of the two individuals separately. 3. A train takes 10 secs to cross a pole and 15 seconds to cross a platform ...... While we will see this scenario in details later on, the two scenarios are obvious - one is 'train crossing pole' and other is 'train crossing platform'. And in the two scenarios, the speed of the train is going to be constant. It will be on immense help to think on the lines of two scenarios. And then using proportionality. Most questions in the following text will be done by the traditional approach and then solved by the approach of using proportionality.

Distance being constant
Time is inversely proportional to speed, when distance is constant.
This is to say that, over a same distance, if the ratio of speeds is a : b, the ratio of the time taken will be b : a.
And this should be obvious, because over a same distance, if I double my speed (ratio of speeds 1 : 2), the time taken will be half (ratio of time 2 : 1).
If I travel at 1/3rd the usual speed (ratio of speed 3 : 1), I would take thrice the time taken earlier (ratio of time 1 : 3) If I reduce my speed to 3/5th of the usual speed (ratio of speed 5 : 3), the time taken will be 5/3 times the usual time (ratio of time 3 : 5).

Questions:

1. cat 2009 my set ----A boy walks at 1/3rd his original speed and reaches school 20 minutes late. Find the time taken by boy usually and the time taken at the reduced speed.( oral approach-- no pen pencil)

In such problems, 'late by 20 minutes' implies that 20 more
minutes will be taken to travel the same distance, or in other
words, the difference in the time taken at the usual speed and
the reduced speed will be 20 minutes.
Had my usual speed been s, the reduced speed would be 1/3s .
Thus the ratio of usual speed to reduced speed would be. (From
next problem onwards, this step will be done directly).
Since time is inversely proportional to speed, the ratio of the
time is 3 : 1. We also know that the difference in the time taken
will be 20 minutes. Thus we are looking for two numbers that are in the ratio 3 : 1
and the difference between them is 20 minutes. 3<------->1 ( there is a gap of 2 but we need a gap of 20 --> so multiply by 10) ---> 30<------->10.

2. Travelling at 3/7th of his usual speed, a person is 24 minutes late in reaching his office. Find the usual time taken by him to cover this distance. ( solve orally)

2. speed (3<------>7)====> time (7<------>3) gap 0f 4 but we need a gap of 24 so multiply ratio by 6 ===> 42-----18

3. If a man walks at the rate of 30 kmph, he misses a train by 10minutes. However, if he walks at the rate of 40 kmph, he reachesthe station 5 minutes before the departure of the train. Find thedistance to the station.

3.The ratio of speeds is 3 : 4 and since distance is constant, the ratio of the time taken will be in the ratio 4 . Missing the train by 10 minutes and reaching early by 5 minutes implies that the time taken at speed of 40 kmph is 15 minutes less than the time taken at speed of 30 kmph. Thus, we need to find two numbers in ratio 4 with a difference of 15. Thus, a difference of 1 on the ratio scale is a difference of 15 in actual values. Hence the multiplying factor is 15. Thus time taken at 30 kmph is 4 x 15 = 60 minutes and at 40 kmph is 3 x 15 = 45 minutes. now you can use d = s*t = 30 *60/60 = 30 km

4. A train meets with an accident and travels at 4/7th of its regularspeed hereafter and hence it reaches its destination 36 minutes late. Had the accident occurred 30 kms further, the train would have been late by only 21 minutes. Find the regular speed of the train.

4. Let's say the point where the accident occurred was A when the
train was late by 36 minutes and was point B when the train
was late by 21 minutes. Let the destination be D.
Comparison over distance AD: The two scenarios are 'at regular
speed' and 'at reduced speed'. Ratio of speeds 7 : 4. Ratio of
time 4 : 7. Difference in time is 36 minutes. Thus, time taken at
regular speed for the distance AD is 4 x 12 = 48 minutes.
Comparison over distance BD: The two scenarios are 'at regular
speed' and 'at reduced speed'. Ratio of speeds 7 : 4. Ratio of time
4 : 7. Difference in time, over this distance is 21 minutes. Thus,
time taken at regular speed for the distance BD is 4 x 7 = 28
minutes.
At it's regular speed, the train takes 48 minutes to travel A to D
and takes 28 minutes to travel B to D. Hence it must be taking
20 minutes to travel from A to B, a distance of 30
kms. Thus, it's regular speed = 30/(20/60) = 90 km/hr

4. Shortcut:
While in the above solution we had the comparisons (at regular speed & at reduced speed) made twice, once over distance AD and once over distance BD. We could make do with just one comparison as well.
Consider the stretch AB. When accident occurs at A, this stretch is travelled at reduced speed. And when accident occurs at B, this stretch is travelled at regular speed. And the difference in the time taken just over this stretch is 36 - 21 = 15 minutes. (At destination,
why is the train less late, 21 mins, when accident occurs at B as compared to more late, 36 mins, when accident occurs at A? The train would have been lesser late because, over AB, it would have not have got late) Comparing the two scenarios, ratio of speeds over AB is 4 : 7. Hence ratio of time will be 7 : 4 and difference in time taken over AB is 15 minutes. The multiplying factor to go
from ratio scale to actual values will be 5. Thus, at regular speed it would take 4 x 5 = 20 minutes to cover AB, a distance of 30 km.

5. Find the total distance in previous Question no.4

5. To late by 15 min--- distance travelled is 30: so to late by 1 min -- distance travelled is 30/15 = 2 ; so to late by 36 min( since beginning) --- distance travelled is 36*2 = 72 km

6. If a man cycles at 10 km/hr, then he arrives at a certain place at 1 p.m. If he cycles at 15 km/hr, he will arrive at the same place at 11 a.m. At what speed must he cycle to get there at noon? ( cat 2004)

6. ratio of speed--- 10:15= 2:3 ===> ratio of time ---3:2 ( there is a gap of 1 but we need a gap of 2hrs as 11am &1pm) so time is 6hrs & 4hrs. now let speed at 12noon is " s" ----> 10/s =5/6 ===> s= 12km/hr

7.Arun, Barun and Kiranmala start from the same place and travel in the same direction at speeds of 30 km/hr, 40 km/hr and 60 km/hr respectively. Barun starts two hours after Arun. If Barun and Kiranmala overtake Arun at the same instant, how many hours after Arun did Kiranmala start? (cat 2006)

let A,B,K represents speed & a,b,k Represents time of Arun, Barun & Kiranmala respectively. Here distance is constant (1) A/B = b/a ===> b/a = 3/4 ( gap of 1 but we need gap of 2--- as barun started 2 hrs late) so b= 6, a =8 ; (2) A/K =k/a ===> 30/60 = k/8 ==> k = 4hr ===> kiran mala started 4hrs late.

Time being constant
Distance is directly proportional to speed, when the time is same
This is to say, if time is constant and the ratio of speeds is a : b, the ratio of the distance covered will also be a : b.
The most common case of time remaining same would be when two
persons, trains or objects start from two points simultaneously and meet each other. In this case the time that the two objects are traveling is the same for both the objects. So they will cover distances in proportion to their speeds.

8. The Ghaziabad-Hapur-Meerut EMU and the Meerut-Hapur-Ghaziabad EMU start at the same time from Ghaziabad and Meerut and proceed towards each other at 16 km/hr and 21 km/hr, respectively. When they meet, it is found that one train has travelled 60 km morethan the other. The distance between two stations is:[IIFT 2007]1) 445 km2) 444 km3) 440 km4) 450 km

8. distance is constant , s1/s2 = d1/d2 ===> d1/d2 = 16/21 ( there is a gap of 5-- but we need gap of 60 so multiply by 12) d1= 16*12 &d2=21*12 ..total = 444

9. Two trains start simultaneously, one from Bombay to Kolkata And other from Kolkata to Bombay. They meet each other at Nagpur which is at a distance of 700 kms from Bombay. If the distance between Bombay and Kolkata is 1600 km, find the ratio of their speeds.

9. Since the trains started simultaneously, the time they have been
traveling till they meet is equal. And hence the distance they
cover will be in ratio of their speed. Since the train from Bombay
has covered 700 km and the train from Kolkata has covered
1600 - 700 = 900 kms, the ratio of their speeds will be 700 :
900 i.e. 7 : 9.

10. A police-man starts chasing a thief. The ratio of the speeds ofthe thief and the policeman is 9 : 11 and when the policemancatches the thief it is found that the policeman has covered 60meters more than the thief. How much distance did the policehave to run to nab the thief?

10. Since the chase starts with both of them running simultaneously, from this point onwards to the time the police has caught the thief, they are running for same duration. Thus the distance covered will be proportional to their speeds. So we are searching for two distances in the ratio 9 : 11 and the difference being 60 meters i.e. 2 of the ratio scale corresponds to 60 mts, implying that the multiplying factor is 30. Hence
distance run by police will be 11 x 30 = 330.

11. In the movie Ghulam, Aamir is able to spot the approaching train when it is 2 km away. He has to run towards the train and reach the red kerchief hung on a pole 400 meters away from him before the train reaches the pole. How fast must Aamir run if the speed of the train is 36 kmph so that he just manages to reach the kerchief at the same time as the train reaches it?

11. From the point when the distance between them is 2000 m, Aamir has to cover a distance of 400 m and the train will cover the rest of the 1600 m i.e. the distance will be in the ratio 1 : 4. Since they are running for the same duration, the speed will be proportional to the distance covered. Since the speed of the train is 36 kmph, the speed of Aamir should be 9 kmph.

Speed being constant
Distance is directly proportional to time when speed is constant
At same speed, if the ratio of speed is a : b, the ratio of time will also be a : b.
By now, you would have got the hang of solving questions based
on proportionality and thus we will solve just one example for this
proportionality.

12. A car overtakes an auto at point A at 9 am. The car reachespoint B at 11 am and immediately turns back. It again meetsthe auto at point C at 11:30 am. At what time will the autoreach B?

Since the car takes 2 hours to travel AB and 0.5 hours to travel BC, The ratio of the distances AB : BC will be 2 : 0.5 i.e. 4 : 1. (Distance is proportional to time)
Since C lies in between A and B, the ratio of the distance AC to CB will be 3 : 1.
The auto has traveled AC in 2.5 hours (from 9 am to 11:30 am). To travel CB (one-third distance of AC) he will take 2.5 hrs /3 =150 min/ 3 = 50 more minutes.
Thus the auto will reach B at 12:20 pm.

13. There is a tunnel connecting city A and B. There is a CAT which is standing at 3/8 the length of the tunnel from A. It listens a whistle of the train and starts running towards the entrance where, the train and the CAT meet. In another case, the CAT started running towards the exit and the train again met the CAT at the exit. What is the ratio of their speeds?[CAT 2002]

here time is constant----> so use s1/s2 = d1/d2 ; let speed of train be x ... when train runs x then cat runs 3 and when cat runs5 the tran runs x+8 equae it x=12 ratio of speeds =12:3 i.e. 4:1.

14. Only a single rail track exists between station A and B on a railway line. One hour after the north bound superfast train N leaves station A for station B, a south passenger train S reaches station A from station B. The speed of the superfast train is twice that of a normal express train E, while the speed of a passenger train S is half that of E. On a particular day N leaves for station B from station A, 20 minutes behind the normal schedule. In order to maintain the schedule both N andS increased their speed. If the superfast train doubles its speed, what should be the ratio (approximately) of the speed of passenger train to that of the superfast train so that passenger train S reaches exactly at the scheduled time at the station A on that day? [CAT 2002] 1) 1 : 3
2) 1 : 4
3) 1 : 5
4) 1 : 6

Let the speed of superfast & passenger train is N & S respectively. Since there is one single track so combined time taken by superfast & passenger train is !hr. Ratio of speed N/S = 4:1 ===> ratio of time = 1:4===> time taken by superfast train = 1/5*60 = 12 min & time taken by passenger train = 48 min. Now one day train started 20 min late --since speed of superfast is doubled time taken is --6 min . so time taken by passenger train to reach on time = 60 - (20+6) = 34 min : so new ratio is 6:34 = 1:6 (approx)

15. Two boats start from opposite banks of river perpendicular to the shore. One is faster then the other. They meet at 720 yards from one of the ends. After reaching opposite ends they rest for 10mins each. After that they start back. This time on the return journey they meet at 400 yards from the other end of the river. Calculate the width of the river.Also find ratio of speed of boats.

15. when they meet for the first time , together they will cover 1 round in which 1st boat will contribute 720; when they meet for the 2nd time together they will contribute 3 round -- so contribution by 1st boat is 720*3 =2160 ,but since they are meeting from other end . so length is 2160-400 = 1760

15. Alternative method: he distances traveled by the boats are proportional to their speeds___ since the speeds are constant, the ratio of the distances is constant let w="width of river" ___ river is >720 yd wide let x and y be the boat distances at first meeting ___ x=720, y=w-720 at second meeting ___ x=w+400, y=2w-400 ratio of distances is constant, so 720/(w-720)=(w+400)/(2w-400) on solving this W = 1760

-Taken from Aug 18th Session on

Problems on proportionality between time, speed & distance

 

Nitin Gupta - Founder of Alpha numeric



  • 5 Likes   8Comments
  • @harshcat91 whenever you upload a pdf please let me know .... 3h.
  • @prashika Thanks @harshcat91 :thumbsup:. 1h.
Peter_Parkar
Prince Ganguly @Peter_Parkar 18
What %ile Do I need in CAT to secure a seat in IIMs while I have 42 months of working experience. Is it going to be a show stopper anyways? Thanks a lot Puys,

What %ile Do I need in CAT to secure a seat in IIMs while I have 42 months of working experience. Is it going to be a show stopper anyways?

Thanks a lot Puys,

  • 1 Like   5Comments
  • Only when you are trying to bag a job of the same field y.... 1h.
  • Thanks buddy (y). 1h.
  5 Comments
ashishsingh_courage
ASHISH SINGH @ashishsingh_courage 128

Work ex: It wont be a show stopper in admission. Infact, it will be helpful during admission, but your options in placement will be limited.

With new IIMs coming up, I wont be surprised if ppl get IIMs on 95 %ile. Also, it totally depends on the selection criteria. I got a call from IIM-S at 90.78 %ile  

ashishsingh_courage
ASHISH SINGH @ashishsingh_courage 128

Only when you are trying to bag a job of the same field you have work ex in. And companies aren't willing to pay too much or extra just coz you have work ex. But nonetheless, just try to get into the best college possible, all these things you can figure out once you get there. If you are good, you will get a good college and placement, period.