Cool or not Cool?

Algebra Level 5

Find the next term in the sequence

1, 4, 5, 6, 7, 9, 11, ..........


The answer is 100.

Jayson Tolentino by Jayson Tolentino , 31, Philippines

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4 solutions

Jayson Tolentino
Mar 5, 2015

The numbers in the sequence do not have "T". The next number with no "T" next to "ELEVEN" is "ONE HUNDRED"

9 Helpful 0 Interesting 0 Brilliant 0 Confused

This belongs to Logic level 5 and not Algebra level 5

Pratyush Pandey - 4 years, 8 months ago
Michael Mendrin
Feb 10, 2017

As with a lot of "what is this sequence" puzzles, there's usually more than one good answer, and this one is no exception. If we start with 1 1 and eliminate every instance of 2 n 2n and 3 n 3n , where n n appears in the sequence, then the next number is 13 13 . That's what's wrong with these kinds of "guess the sequence" puzzles.

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Ramiel To-ong
Jun 5, 2015

its a tricky one

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Chaitanya Lodha
Mar 25, 2015

that should be a troll one

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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