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2m ago 12.1k CAT Quant

Official Quant Thread for CAT 2014!!

This is the Official CAT 2014 Quantitative preparation group. Solve questions & discuss answers/solutions shortcuts &...

N = 2^15.3^7.5^10 .How many factors of N are multiples of 360 but not multiples of 10800?

don't know the oa .. !!

8 people answered this question.
4 Comments
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4m ago 181

The PaGaLGuY UnderDogs Team 2014

Do you love taking up the challenge where you are considered as a person who cannot achieve the pinnacle easily but t...

Base System (@maruttaneja89 here you go :) , easy one to start )

Q1. N = 81^81 + 1 (in decimal system) ; M is the trinery equivalent of N. Find the nos of Zeros in M

25 people answered this question.
12 Comments
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5m ago 91

The PaGaLGuY Dream Team 2014

*THE PaGaLGUY Dream Team !!!!!* Most of us joined this place with *one dream*, the dream that we live every moment. W...

people with good verbal skills,how exactly do you approach this section??how much time do you devote?pls shed some light.Especially for RCs.

Its high time we did something about this nemesis of ours.Almost everyone is suffering.Lets help each other.

@Darknight123 

  • 2 Likes   14Comments
  • Ohk.. 2h.
  • bhai grammar pe thoda gyaan bantenge to greeb ka bhla ho .... 5m.
  14 Comments

12m ago 24

Best study material for Cat 2014

I've arihant books for Cat. I do want to know how effective it will be for cat, & do I need to subscribe for study ma...

Does anyone have this years version of the CAT500 PDF from IMS? If so, can you please share it with the rest of us ? 

Thanks in anticipation 

  • 1 Like   36Comments
  • @Ashmit_IIT-B can you plz send it to me too at mndp.kr19.... 12m.
  36 Comments
k-mandeep
Mandeep Kaur @k-mandeep

@Ashmit_IIT-B  can you plz send it to me too at mndp.kr1992@gmail.com


Identify the sentence(s) or part(s) of sentence(s) that is/are correct in terms of grammar and usage. Then, choose the most appropriate option.


A. When I returned to home, I began to read

B. everything r could get my hand on about Israel.

C. That same year Israel's Jewish Agency sent

D. a Shaliach a sort of recruiter to Minneapolis.

E. I became one of his most active devotees.


A.    C & E B.    C only C.    E only D.    B, C & E E.    C, D & E


  • 3Comments
  • D. 35m.
  • Option C, i.e only E. Sentence B would also have been cor.... 15m.
ryanryker077
Potassium Permanganate @ryanryker077

Option C, i.e only E. Sentence B would also have been correct if that 'r' were not considered a mistake. C is wrong as there should be a comma after 'That same year'.

17m ago 2.5k CAT Verbal

Official verbal ability thread for CAT 2014

Amidst IIFT,NMAT and other exams preparation we have come so far and near to CAT 2014. Not so many Days (Literally) f...

S: Throughout that trip, I sat hunched over in gloom, listening to the loud gaiety of those doctors at the front, hating them, hating the country, wishing I had never come.
A. As I gazed out at it, suddenly the indignities of the trip did not matter.
B. In the days to come, as I visited Jain temples and various other places, I was in awe of this country and its people who had produced so much beauty.
C. But then, in the distance, like a mirage, there was Jaisalmer, its walls and turrets golden and shimmering in the lowering sun, seeming to have grown from the very sand itself like an exotic desert plant.
D. And I was in love again with India — a love that has lasted all these years, over repeated visits, for a country that, in its harshness but also its magnificence, always exceeds expectations.


80 people answered this question.
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The UI of Bull Cat SUCKS!

IMS' & CL's are so much better.

  • 3Comments
  • The paper hangs a lot. DI takes 2 minutes to load. Someti.... 1h.
  • @aditya0912 We hope that you did not face a similar issue.... 35m.
hitbullseyes
Hitbullseye.com @hitbullseyes 97

@ Rv ! When you say UI, what exactly do you mean? We have kept our interface exactly like Actual CAT Exam. Please help us understand if you have faced any technical problem while taking the tests. We shall fix the bugs (if any) & get back to you..

aditya0912
Aditya Bansal @aditya0912 34

The paper hangs a lot. DI takes 2 minutes to load. Sometimes pages don't even load between the exam. I hope your interface is not like the actual CAT or it would be disaster for us.

hitbullseyes
Hitbullseye.com @hitbullseyes 97

@aditya0912 We hope that you did not face a similar issue while taking all the tests. If that's the case, we'll suggest that you try an alternate ISP for taking next test. Since we check all the tests while students are taking those simultaneously & we don not face any issue related to speed, we can safely say that this is not a problem that is reoccurring. Do let us know if you need any further help. & next time you face such a problem, call us immediately at 09216937105 (between 08:00 AM - 11:00 PM).

35m ago 603

CAT 2014 registration!

Has anyone registered for CAT 2014 which is supposed to begin today. Plz post your experience...

Hi can anyone help me out. I WRONGLY filled my 12th % in cat 2014 application form.The instructions says once payment is done the form cannot be edited. Can someone plz help me out..how can i correct it. I have mailed the helpdesk but received no reply.

  • you need to re register with a different mail id.. 35m.
Bing05
Piyush Singh @Bing05 1

you need to re register with a different mail id.

Q 11 of quant ...pls explain?

p.s how is this question different from quant CAT 2008 question where we had to find the shortest distance between A n B a, rectangular park was given and neelam cycled from point A to B. 



  • 4Comments
  • well, you can't go DDDRRR, hence the formula is incorrect.... 4h.
  • DDDRRR,DDRRRD,DDRRDR,DDRDRR,DRDDRR,RDDDRR NEED TO BE REMO.... 44m.
0404
valar morghulis @0404 63

The approach is same mam ,u just have to remove some cases which are not feasible ....RRRDDD=6!/3!*3!

Smile4iim
Prerna @Smile4iim 19

which cases have to be removed? ...in Q11 by using 6!/3!*3! ...we dont get the ans ...

shashwatdgr8
Shashwat Gangwar @shashwatdgr8 538

well, you can't go DDDRRR, hence the formula is incorrect. You need to remove all such cases

0404
valar morghulis @0404 63

DDDRRR,DDRRRD,DDRRDR,DDRDRR,DRDDRR,RDDDRR NEED TO BE REMOVED@Smile4iim .......what u say@shashwatdgr8 

48m ago 235

MBA Prep articles

With about a month or so to go, the question that junta is asking at this point is not "Do I have it in me to crack C...

Solving Grid Chessboard related problems for CAT


Problems based on grids/chessboards have been asked in the CAT and other MBA entrance exams over the years. They seem really difficult when you encounter them for the first time but once you get the hang of things they become really simple. The key lies in understanding the basic concepts involved.

The most common grid structure that we are all familiar with is the chessboard. Let us look at some of the common questions based upon grid.

Q1. What is the number of squares on a chessboard?

Squares of size 1x1 = 8^2 = 64

Squares of size 2x2 = 7^2 = 49

.

.

Squares of size 8x8 = 1^2 = 1

Total number of squares = 1 + 4 + 9 .. 49 + 64 = 204

You could have also used the formula 1^2 + 2^2 + 3^2 … n^2 = n(n+1)(2n+1)/6

In this case, you would have got = 8*9*17/6 = 12*17 = 204

Q2. What is the total number of rectangles on a chessboard?

To form a 8 x 8 chessboard, we need 9 horizontal and 9 vertical lines.

If we select any 2 lines from the 9 horizontal lines and any 2 lines from the 9 vertical lines, we will get a rectangle

Total number of rectangles = 9C2 * 9C2 = 36*36 = 1296

Q3. In how many ways can you place 2 rooks on a chessboard such that they are not in attacking positions?

The first rook can be placed in 64 ways

The second rook cannot be placed in the same row or the same column. So, it has 7 rows and 7 columns left for it. It can be placed in 49 ways.

But the order in which the rooks are placed is not important. So, it will be divided by 2!

Total ways = 64*49/2 = 1568

Q4. In how many ways can you place 8 rooks on a chessboard such that they are not in attacking positions?

The first rook can be placed in 64 ways.

The second rook can be placed in 49 ways.

.

.

The eigth rook can be placed in 1 way

But the order in which the rooks are placed is not important. So, it will be divided by 8!

Total ways = 64*49*36…4*1/8! = 8! = 40320

Q5. In how many ways is it possible to choose a white square and a black square on a chess board so that the squares must not lie in the same row or column? [CAT 2002]

The white square can be chosen in 32 ways.

If we remove the row and the column which contains the chosen white square, we will be left with 7 Rows & 7 Columns containings a total of 49 squares (24 black and 25 white). We would have removed 15 squares (7 white and 8 black)

Required ways = 32*24 = 768

Q6. In how many ways can you go from A to B? (Shortest path)

To go from A to B, you need to make 4 right moves (R) and 6 up moves(U).

One of the possible paths could be RRRRUUUUUU

Any rearrangement of the above would give you a different shortest path from A to B.

RRRRUUUUUU can be rearranged in 10!/(4!6!) = 210 ways because among the 10 entities four Rs are identical and 6 Us are identical.

Another way of solving this could be:

From the 10 moves that you have to make select the 4 moves which will be Right moves. This can be done in 10C4 = 10!/(4!6!) = 210 ways

Q7. In how many ways can you go from A to B? (Shortest path)

To go from A to B, you will have to follow the path APQB

A to P can be done in 4C2 = 6 ways (Select 2 right moves from a total of 4 moves)

P to Q is only one way (The path through the red rectangle)

Q to B can be done in 3C1 = 3 ways (Select 1 right move from a total of 3 moves)

Total ways = 6 x 1 x 3 = 18 ways

Q8. In how many ways can you go from A to B? (Shortest path)

Total ways (if the red rectangle was not there) = 10C4 = 210

PQ is the road which has been removed. It would make all the routes which included the road PQ as invalid.

So, all routes consisting of APQB will be invalid

A to P = 5C3 = 10

P to Q = 1

Q to B = 4C3 = 4

Invalid ways = 10 x 1 x 4 = 40

Total valid ways = 210 – 40 = 170 ways

[CAT 2008] The figure below shows the plan of a town. The streets are at right angles to each other. A rectangular park (P) is situated inside the town with a diagonal road running through it. There is also a prohibited region (D) in the town.

Q9. Neelam rides her bicycle from her house at A to her office at B, taking the shortest path. Then the number of possible shortest paths that she can choose is

Let us call the road through park as MN.

The path Neelam will take is AMNB.

Neelam can go from A to M in 4C2 = 6 ways.

M to N in 1 way

N to B in 6C2 = 15 ways.

Number of possible shortest paths = 6*15 = 90

Q10. Neelam rides her bicycle from her house at A to her club at C, via B taking the shortest path. Then the number of possible shortest paths that she can choose is

Neelam can go from A to B in 90 ways.

From B to C via N = 6 (and not via M)

From B to C via M = 7 ways

In all 90*(6+7) = 1170 ways

I hope you enjoyed this post and if you get a grid based question in CAT, you will be able to crack it.


Author Ravi Handa has taught Quantitative Aptitude at IMS for six years. An alumnus of IIT Kharagpur where he studied a dual-degree in computer science, he currently runs www.handakafunda.com.

  • 47 Likes   38Comments
  • @ravihanda as a matter of fact i was one of them in his c.... 02 Nov '13.
  • :\thumbsup:. 48m.
  38 Comments
nirzone
nir2014 Nirnay @nirzone 57
@ravihanda as a matter of fact i was one of them in his class..and he is good but the way CAT is evolving and its questions even teachers need too..i guess..Haven't written my CAT yet this year..lets see how much of it matters on C DAY.. and cheers to you of publishing all of this for free whereas you need to pay some 30K for his classes..so thank u and keep going..u are doing great.. have a happy and safe Diwali..

54m ago 306

CAT 2014 Preparation

Hello all, I am starting the preparation for CAT 2014, which is less than an year for now. I am a BE graduate with 2....


hi guys

can u plz provide me d link for fms registration.. thanx in advance

  • bro... itni jald bazi kyu? :stuck out tongue: fms reg h.... 54m.
ark02
cat cat @ark02 62

bro... itni jald bazi kyu? fms reg hasnt started yet.. wait till nov.. notification will be out then..

QA/D I- 34A 27C 7W - 74

VA/LR - 30A 25C 5W - 70

OA - 64A 52C 12W - 144  

aaj maza aaya  

  • 4Comments
  • i think we shudnt disclose the difficulty level. 59m.
  • Haa thik hai. 54m.

1h ago 635

Logical Reasoning

The question is followed by two statements X and Y. Answer using the following instructions: Choose 1 if the question...

There are 7 identical balls, 6 of which have equal weight and one has a slightly higher weight. You are given a weighing balance(with 2 pans).

What is the minimum number of weighings required to determine the heavier ball?

  • 12Comments
  • @2014CAT let the balls are B1 ,B2,.....B7. Take B1 B2 B3.... 11h.
  • @himanshuk15 oh Lord! I got the first step correct. Just .... 1h.
  12 Comments
himanshuk15
Himanshu Khandelwal @himanshuk15 35

@2014CAT let the balls are B1 ,B2,.....B7.

Take B1 B2 B3 in one pan and B4 B5 B6 in the other.

If they weigh equal, B7 is the heavier ball. Otherwise weigh the heavier lot (let us say B1 B2 B3) were heavier. Now weigh B1 and B2. If both weigh equal then B3 is the heavier one and if they dont weigh equal, the one who weighs heavier is the heavier...!!

So answer is 2...!


2014CAT
@2014CAT 29

@himanshuk15 oh Lord! I got the first step correct. Just had to extend it to the second step.

Hi , can anyone suggest how to improve my VA score ......Getting 96+ %le  in QA , m facing  difficulties in improving  my VA score stuck around 55-75 %le  . M really getting worried as well as feeling tensed over this. Please help and suggest some tips .


  • First do LR questions, only den move to VA easy Qs like v.... 15h.
  • I am no expert on RCs but doing RCs in the end is as good.... 1h.
suryaboda168
Surya Sandeep @suryaboda168 114

First do LR questions, only den move to VA easy Qs like vocab,sentence correction, do RCs at last

aditya0912
Aditya Bansal @aditya0912 34

I am no expert on RCs but doing RCs in the end is as good as not doing them at all. 

I had a query regarding the profile based calls this year. Last year we had it in January, before the results were declared and the score based calls in Feb. However, this year the results will be out by December itself. So is it safe to assume that this year there will be only one set of calls?