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by bhutes
May 17th, 2007, 4:34 am
Forum: Student Forum
Topic: Problem in Excel
Replies: 4
Views: 72364

Problem in Excel

<t>A weird problem has hit the excel installation on my system (very likely, I changed one of the settings unintentionally .... don't think so, but could this be some virus too ?). Here's the issue:In any open excel file, when I type in, say 8000 and press enter, excel converts the 8000 to the value...
by bhutes
May 16th, 2007, 5:41 am
Forum: Brainteaser Forum
Topic: function puzzle
Replies: 11
Views: 74718

function puzzle

<t>QuoteOriginally posted by: wannabequantieIf you think about this - you'll realise that theres no way that the function can be unique!Does there exist one? -- I don't know how to define a real-valued function that is continuous at a finite number of points. Nearly all I know of are either continuo...
by bhutes
May 9th, 2007, 3:00 pm
Forum: Careers Forum
Topic: Quant maybe needs some direction
Replies: 14
Views: 73985

Quant maybe needs some direction

<t>QuoteOriginally posted by: KackToodlesQuoteOriginally posted by: DCFCActually, to an extent pretty much all quants are programmers to an extent, a commonly held figure is that 60% of quant man hours go on software. Only 60%? It seems quants spends 90% of time in front of a computer terminal. What...
by bhutes
April 16th, 2007, 3:35 pm
Forum: Brainteaser Forum
Topic: 3 interview questions
Replies: 8
Views: 82319

3 interview questions

by bhutes
April 14th, 2007, 8:07 pm
Forum: Brainteaser Forum
Topic: Rainy weekend
Replies: 16
Views: 78764

Rainy weekend

min : 10%max : 40%
by bhutes
April 1st, 2007, 5:45 pm
Forum: Brainteaser Forum
Topic: divide by 3
Replies: 8
Views: 78963

divide by 3

<t>Probabilities will remain unchanged whether numbers are picked between {1,2...10} or {0,1....9}For the latter, we can count the sample space as all integers between 000 and 999. (Assuming replacement is allowed).One-third of 000 to 999 are divisble by 3. (If 000 is counted as divisible, total=334...
by bhutes
March 17th, 2007, 3:35 pm
Forum: Careers Forum
Topic: Securitisation
Replies: 5
Views: 77129

Securitisation

<t>I used to setup the waterfall for ABS/CMBS securitization transactions (in excel) and try out different structural ideas. As you said, typically an MBA / CFA skills are more than sufficient to do that (even I am an MBA-Finance). Pricing of the tranches was done outside excel (I have only faint id...
by bhutes
March 16th, 2007, 8:07 am
Forum: Careers Forum
Topic: Securitisation
Replies: 5
Views: 77129

Securitisation

<t>QuoteOriginally posted by: ArbitraryHi,In what specific roles would they seek a PhD qualification?Prepayments modeling is possibly one such area.I no longer work in this field (... so not at all an expert!), but pricing of ABS/MBS could be quite challenging and require quant skills.(unless indica...
by bhutes
March 5th, 2007, 7:50 pm
Forum: Brainteaser Forum
Topic: An easy prob question?
Replies: 7
Views: 80518

An easy prob question?

If (b) is solved, (a) is automatically solved. It's only one question
by bhutes
February 14th, 2007, 5:52 am
Forum: Brainteaser Forum
Topic: ball weighing
Replies: 33
Views: 86012

ball weighing

<t>I randomly changed the 58 to 57{0 1 2 4 7 12 20 29 43 57} also seems to work.edit: Here is a solution with max as 52 : {0 1 2 4 7 12 20 29 38 52 }Not necessarily optimal (because, while iwanttobelieve proves below that the optimal seqence should start with 0, no justification is given for picking...
by bhutes
February 8th, 2007, 5:58 pm
Forum: Brainteaser Forum
Topic: Spaghetti problem (difficulty level easy)
Replies: 4
Views: 86076

Spaghetti problem (difficulty level easy)

So, I crossed my post with Vassili ... and realized that N(1)=1 (typo below).
by bhutes
February 8th, 2007, 5:55 pm
Forum: Brainteaser Forum
Topic: Spaghetti problem (difficulty level easy)
Replies: 4
Views: 86076

Spaghetti problem (difficulty level easy)

<t>n spaghetii.2n ends.N(n) be the expected number of circles from n spaghetti.N(n) = 1/(2n-1) * 1 + (2n-2)/(2n-1) * 0 + N(n-1)[because 1/(2n-1) chance finding the circle-building end and (2n-2)/(2n-1) chance of finding the non-circle building end.In either case we're left with n-1 spaghetti and 1 o...
by bhutes
February 6th, 2007, 12:58 pm
Forum: Careers Forum
Topic: Too many Chinese students
Replies: 274
Views: 98572

Too many Chinese students

<t>As of date, most banks seem to be choosing Mumbai over Bangalore.(MS, Lehman, DB .... ). UBS in Hyderabad, though.Interestingly, for indian corporates, they deal with London or singapore ... since the trading desks are located outside Mumbai (for these foreign banks). Most domestic banks are in M...
by bhutes
February 6th, 2007, 11:27 am
Forum: Brainteaser Forum
Topic: ball weighing
Replies: 33
Views: 86012

ball weighing

<t>Maybe we could assume that the digital balance has two pans, not one ... and we could place balls on either of the two pans. The scale reads the difference of the weights put on the two pans.iwanttobelieve's formulation could be altered fromQuoteOriginally posted by: iwanttobelieveLet (a_1, ... a...
by bhutes
February 1st, 2007, 6:28 pm
Forum: Brainteaser Forum
Topic: Catching a criminal in a cave
Replies: 25
Views: 87133

Catching a criminal in a cave

<t>QuoteOriginally posted by: Traden4AlphaQuoteOriginally posted by: bhutesI think the sherrif should keep visiting the cave#2, everyday, till he catches the criminal.(This strategy is equivalent to his visiting the cave#14 everyday, till he catches the criminal).What if the criminal just goes back ...
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