IBM Ponder This Puzzle: October Edition: Complete the sequence
Complete the following sequence :
1, 13, 2, 1, 5, 3, 2, 1, 4, 4, 7, 3, 1, 5, 3, 5, ?, ?
Any takers?
1, 13, 2, 1, 5, 3, 2, 1, 4, 4, 7, 3, 1, 5, 3, 5, ?, ?
Any takers?
Replies
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Kaustubh Katdare
Too big for your little brains, folks ?The_Big_KComplete the following sequence :
1, 13, 2, 1, 5, 3, 2, 1, 4, 4, 7, 3, 1, 5, 3, 5, ?, ?
Any takers? -
electron1212last number in the seq is 2 ...am i rite ?
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skipperLook at subgroups starting with 1:
1,13,2
1,5,3,2
1,4,4,7,3
1,5,3,5,?,? -
Kaustubh Katdare
How about detailed explanation?electron1212last number in the seq is 2 ...am i rite ? -
Anil JainA real tough one for my small mind π I am scratching my head since long but all in vain. This IBM "Ponder this" is a bit tougher then the usual ones.
Biggi could you please provide any clue for this???
-CB -
Sahithi Pallaviwill you provide any clue for us Biggie.
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Sahithi PallaviBiggie, can you give any clue for us..
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Kaustubh Katdare*bump*
Don't give up so easily, folks. -
skipper1,13,2
1,5,3,2
1,4,4,7,3
1,5,3,5,?,?
Write it in binary:
1,1101,10
1,101,11,10
1,100,100,111,11
1,101,11,101,??
Rewrite as sums of powers of 2:
0,3+2+0,1
0,2+0,1+0,1
0,2,2,2+1+0,1+0
0,2+0,1+0,2+0,?,?
...etc -
sookie"A MATHEMATICIAN IS A BLIND MAN IN A DARK ROOM LOOKING FOR A BLACK CAT WHICH ISN'T THERE" -Charles Darwin
Counting the no. of letters in each word of the quote.
1, 13, 2, 1, 5, 3, 2, 1, 4, 4, 7, 3, 1, 5, 3, 5, 4 , 5
Is this the answer ? I counted ISN'T as 4 - not sure. π -
Sahithi Pallavisookie"A MATHEMATICIAN IS A BLIND MAN IN A DARK ROOM LOOKING FOR A BLACK CAT WHICH ISN'T THERE" -Charles Darwin
Counting the no. of letters in each word of the quote.
1, 13, 2, 1, 5, 3, 2, 1, 4, 4, 7, 3, 1, 5, 3, 5, 4 , 5
Is this the answer ? I counted ISN'T as 4 - not sure. π
what a logic sookie..π π -
Saandeep SreerambatlaSookie Excellent man!!!
@Skipper: After writing as powers of two whats the next step to arrive at the answer?? -
itchapExcellent logic Sookie!!!ππ
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Kaustubh KatdareHah! Sookie got it.
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justaglanceReally Great sookie
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Manish Goyalexcellent sookie
but can you share with us how you get the answer of this puzzle? -
skipperuh huh. How do you have any idea that you can try English words, and the numbers are the numbers of letters? Why not French or Greek, say? Why would you assume it's in a written language?
Good guess though. I suppose if the information was included (that the code is for words in a language), that would help. I was trying to compress the code to see if a pattern existed which was self-referential. That means not finding any pattern would mean having to assume an arbitrary code, which is more or less what English is. -
durga chI totally agree with skipper. Biggie, was a code given as clue? how ever we would associate what sookie said to the sequence what you mentioned?
Sookie,
any feed-ups here? quite curious to know what prompted you to consider the quote what you had stated. -
Kaustubh KatdareI was planning to add a hit in case no one cracked it. π I admit this one wasn't a regular puzzle.
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sookie
Sure Good point , you can try German or French or English but do you know any such quote that satisfy the numbers in the given sequence ? If yes, Please let me also know. Also, if you people have any other way to get the answer as 4 and 5. You can surely tell. May be your answer is better logic of solving this sequence Every individual has different thinking logic. :sshhh:skipperuh huh. How do you have any idea that you can try English words, and the numbers are the numbers of letters? Why not French or Greek, say? Why would you assume it's in a written language?
Yep, I know now my answer is 100% right. I confirmed with IBM folks itself. π -
skipperCan I ask what led you to guess it was length of English words, just a hunch?
Actually when you think about it, it would be an obvious thing to eliminate as a possibility; I leapt straight into the idea of a code without thinking how it was encoded already.
You are reading an archived discussion.
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