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13 August 2007

Puzzle:

Find the next number in the series.

3 - 7 - 10 - 11 - 12 - 17 - ?



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Solution:

Stop looking at numbers. Write them in words and try again.

The only vowel they contain, when written in words is the letter E. So next number that has this characteristic is 20 (Twenty).


5 comments:

cool said...
This comment has been removed by the author.
cool said...

i think 21

praveen said...

it will be 18

ankit said...

i think it should be 20

Anonymous said...

i guess its probably 21