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Can you find the next number in the below sequence 3 , 7 , 10 , 11 , 12 , 17 ?

21 18 20 22 19 17

Karandeep Singh Ludhar by karandeep singh ludhar , 21, India

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2 solutions

Lau Mark
Apr 12, 2015

easy search

https://oeis.org/search?q=3+%2C+7+%2C+10+%2C+11+%2C+12+%2C+17&language=english&go=Search

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By the way more easy search is http://dailybrainteaser.blogspot.in/2012/11/hard-number-series-problem.html

karandeep singh ludhar - 6 years, 2 months ago

20(Twenty) : when you write them , these are only numbers having vowel 'E'.

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