CAT 2012 Kerala study group

MBA CAT 2024
1301
@seetharam7 thereabouts.. but such instances were few and far.. and there is nothing in mock scores.. CAT is what matters.. enne sammadhikkanam..
1302
@Vineeth555 @Kevin88 Margin % is calculated on SP. Sorry, my mistake
1303
@Kevin88 said:
@raku1989 @rohan_bhasker @pugna @seetharam7 @joethaliath @Vineeth555
Guys have a few queries..(simple though it may seem but still have some lingering doubt & need clarifications from your end..)1)What is the exact definition of the term 'margin'?
Eg: When both a loss & a profit is made on the sale of 2 goods... is the margin the
difference between the two ? Or am i completely wrong ?2) Is their an easier way to solve the following eq :
x^2 + (x/(x+1))^2 = 8 (Apart from the tedious & long approach of factorization)
3) How do you plot a graph for the above eq? Does anyone know how to solve such eqs
graphically ?4) Could someone shed some light on clocks especially about losing time/gaining time / no of meeting points etc
1) Its better not to complicate stuffs here. Imagine yourself in a shop. At the end of the day margin of profit/ loss you made is nothing but the difference of overall SP and CP. Margin % is the selling price accounted for the margin and it is termed as Gross margin percent generally.
So it is calculated based on SP itself. ie ((SP-CP)/SP)
1304

2) I dont know any other shorter method to go about here. If factorization max i may reduce the complexity of denominator if needed. Like substituting y = X+1 here. (This case i dont think it makes much difference)

If solving graphically there are two methods u can use here
a) (X/X+1)^2 = 8 -X^2
So consider two equations here
Y = (X/X+1)^2 and Y =8 -X^2.

Plot the graph for these two functions by substituting values for X. The intersection gives you the soln.

b) Directly plot the graph for
Y = x^2 + (x/(x+1))^2 -8 and the intersection with X and Y axis gives you the soln here.
PS : I havent tried solving any of these kind of questions graphically yet.
1305

3) Clocks - I know only one funda here. Every one minute min hand moves by 6 degree and hour hand moves by 0.5 degree . And that i hope everyone knows here.

But i was able to solve almost all kind of problems with this one concept (if you are familiar with the degree of rotation of each hands in a specific time). Requesting @Kevin88 to post some questions where there is more scope to learn based on clocks.
1306
@Kevin88 @seetharam7 @raku1989


cant say it is a cover-all material.. might provide some practice..
1307
@seetharam7 and @Kevin88 : i dont think i hav much to say more than raku has...plus i dont like shortcuts...whenever i use them i end up with the wrong answers...so even if i take time i go for the conceptual approach :)
1308
@pugna
@Vineeth555
@raku1989
@seetharam7
Thanks Guys !! Rakesh..let me search, if i get any will post

Also could anyone of you guys post some calculation intensive DI's so that the team can practice a few together & gets some advice from each other..

We haven't practiced any as a group & wud love to know whether u guyz employ any tricks..percentages..(apart from approximations) etc

Based on previous experience..most of the options in cat are very close & as such approximations usually don't pan out !!!

How are your approaches like ?

Strategy wise do you guys set specific time limits based on the no of q's or do you jst leave them for the last & allot what ever time is remaining in round 2... (Only for these intensive Di's)

@spdspd @pradyothcjohn : Any tips or suggestions based on your recent experience ?
1309
@Kevin88 Dude, i stopped. No more learning methods and tricks. Am going to relax for 2 days. :)
1310
@seetharam7 And i jst started !!! He..He !!! Finally got leave ..!!!

All kidding aside, post some really calculation intensive sets, if u hve any...
1311
@Kevin88 Go through the CL mocks. TIME's DI is usually easy.
1312
@seetharam7 said:
@Kevin88 Go through the CL mocks. TIME's DI is usually easy.
and I thought Time's DI was tough..sigh sigh
1313

acc 2 GP in CL...DI is following the trend of 90-00...where it used to be very calculation intensive..but then we cant also predict when the trend changes since its just 4 days into cat...so try doing as many di sets as you can :)

1314
The political parties mentioned in the graph given below participated in a constituency election. The graph shows the number of votes received by the candidates of six major parties and other smaller parties in Round 1 of the election. The election is held as follows: In Round 1, if a candidate gets more than 50% of the total number of votes cast in that round, (s)he is declared the winner of the election, else, top 5 candidates based on the number of votes move to Round 2. In Round 2, if a candidate gets more than 50% of the total number of votes cast in that round, (s)he is declared the winner of the election, else, top 3 candidates based on the number of votes move to Round 3. In Round 3, the candidate who gets the maximum number of votes in that round is declared the winner of the election. Assume that there are no ties in deciding top 5, top 3 (if Round 2 happens) candidates or the winner (if Round 3 happens) in Round 3.



Question 1)
Among the five candidates who moved to Round 2, the candidate with the maximum number of votes in Round 1 got what percentage of the total number of votes in that round?
a)17.4%
b)19.8%
c)16.5%
d)18.2%

Q2)
If the votes received by the candidates of Samajik Party and Hindu Muslim Party in Round 1 are not taken into account, then by what percentage points does the share of €œOthers €? increase?
a 0.64
b 0.74
c 0.84
d 0.94

Q3)
If 1 Million votes are cast in Round 2 and 3 Million votes are cast in Round 3, then what is the minimum total number of votes needed by a candidate to be declared the winner of the election?
a 26,38,194
b 21,38,195
c 21,38,193
d 26,38,195

@Kevin88
1315
@Kevin88 I've posted a question
1316
I jst got palmed bad !!!
@seetharam7 said:
@Kevin88 Go through the CL mocks. TIME's DI is usually easy.
@Vineeth555 said:
and I thought Time's DI was tough..sigh sigh
1317
@Kevin88 If you want DI, check CAT 1990 question 117-121. Its contains 5 tables.
1318
@spdspd : not sure abt answers..lot of approx involved !!! Will rework only after answers are posted..
Went with a time constraint...(10 min)
1-c
2-b
3-d
Apart from the answers want to know how much time u guyz wud allot here...
1319

Spot the odd sentence out from the parajumbles ( whatever that you wanna call them 😛 ) , the kind of questions that have been spotted this time !
1320
@seetharam7 Don't have the paper.. cud u attach a screenshot so that the rest of the team can also attempt... i am really look for some new methodology to solve faster..not the ans alone..

For me.. i am always under pressure to solve DI, within a very limited time frame as per my strategy & always end up either loosing out on easy q's or not attempting the same !!

Regards to certain DI's where the max % increase or min % increase with reference to the previous year is asked.. do you guys manually check all options or do you go by successive & increases of the numerator or denominator...or by some hook or crook !!!

I also see guys solving jst by looking at the fig's sometime.. & don't know the actual gist of how they do the same.. mind you in all the ones i have observed (bar charts in particular)... almost all bars are equally similar in size... always wondered was it thru some trick of % comparison or thru mental maths !!!

P.S : They get it right too !!!

:/----o----\: