Aptitude

lakshmi.n · 23-06-07, 06:17 PM

Here is a sequence of numbers: 1 11 21 1211 111221 It seems to be a strange sequence, but yet there is a system behind it... What is the next term in this sequence?

**Sudhani** · 23-06-07, 07:56 PM

hi lakshmi,

hope it to be 312211, 13112221,...
Please correct me if its wrong.

Regards,
Sudha

praveen_kondle · 11-07-07, 08:23 PM

Quote:

Originally Posted by lakshmi.n

Here is a sequence of numbers: 1 11 21 1211 111221 It seems to be a strange sequence, but yet there is a system behind it... What is the next term in this sequence?

hi lakshmi,
i think the answer is 11121211
send ur reply if it is right

lakshmi.n · 12-07-07, 02:06 PM

The system behind the sequence is that each number (except the first one of the sequence) "describes" the previous number. So 11 means one "1", 21 means two times a "1", 1211 means one "2" and one "1", and 111221 means one "1", one "2", and two times a "1". The number following on 111221 is therefore 312211 (three times a "1", two times a "2", and one "1").

Aravinthraj · 04-02-08, 07:33 PM

it s 312211, n next 13112221 s correct answers.

23-06-07, 07:56 PM	#2 (permalink)
Sudhani Member Join Date: May 2007 Posts: 160 Thanks: 1 Thanked 14 Times in 11 Posts Thanks: 1 Thanked 14 Times in 11 Posts Blog Entries: 6 Rep Power: 5	Re: Aptitude hi lakshmi, hope it to be 312211, 13112221,... Please correct me if its wrong. Regards, Sudha

12-07-07, 02:06 PM	#4 (permalink)
lakshmi.n Junior Member Join Date: Jan 2007 Posts: 25 Thanks: 2 Thanked 7 Times in 6 Posts Thanks: 2 Thanked 7 Times in 6 Posts Rep Power: 2	Re: Aptitude The system behind the sequence is that each number (except the first one of the sequence) "describes" the previous number. So 11 means one "1", 21 means two times a "1", 1211 means one "2" and one "1", and 111221 means one "1", one "2", and two times a "1". The number following on 111221 is therefore 312211 (three times a "1", two times a "2", and one "1").

04-02-08, 07:33 PM	#5 (permalink)
Aravinthraj Junior Member Join Date: Jan 2008 Age: 20 Posts: 9 Thanks: 0 Thanked 0 Times in 0 Posts Thanks: 0 Thanked 0 Times in 0 Posts Rep Power: 1	Re: Aptitude it s 312211, n next 13112221 s correct answers.

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