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coolonweb's posts
coolonweb replied to Official Quant Thread for CAT 2011 [Part 8]
y shud we add the multiples of 30.. can u explain a bit more on tat.. please
coolonweb replied to Official Quant Thread for CAT 2011 [Part 8]
dude can u tell me y we have to remove every multiple of 3,5 for 8
coolonweb replied to Official Quant Thread for CAT 2011 [Part 8]
general form is taken when the difference of the nos in the given sequence are in a.p...it suits perfectly for tat particular type of question
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coolonweb replied to Official Quant Thread for CAT 2011 [Part 8]
forget tat.. jus take the simple general formula as an^2+bn+c
now extrapolate to find the zeroth term of the sequence.. it is 1
if n=0; the equation becomes a(0)+b(0)+c=1; therefore c=1
if n=1; the first term of the sequence is actually 1, so a(1)+b(1)+c=1 and as we know tat c=1, a+b has...
coolonweb replied to Official Quant Thread for CAT 2011 [Part 8]
product of first 50 odd nos...?
coolonweb replied to Official Quant Thread for CAT 2011 [Part 8]
wat is the simple way to find the product of first 50 odd nos..?
coolonweb replied to Official Quant Thread for CAT 2011 [Part 8]
dude.. an^2+bn+c is a general formula right... can the same be used for any sequence of this form..?
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coolonweb replied to Official Quant Thread for CAT 2011 [Part 8]
wat if the sequence is like this, 3,5,9,15,23.... upto 2000 nos...
the formula will change uh
coolonweb replied to Official Quant Thread for CAT 2011 [Part 8]
@bbwi: excellent dude.. but of these two formulae which is the one tat is appropriate..and can u explain more..i cudn understand fully...
coolonweb replied to Official Quant Thread for CAT 2011 [Part 8]
guys can u pls tel me how to proceed with these sort of probs in which the intervals of the sequences are in a.p
find the sum of the series.. 1,2,4,7,11,16 ...... for 2000 terms