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what is the wrong number in the series-13,16,21,27,39,52,69

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what is the wrong number in the series-13,16,21,27,39,52,69..

Answer / in pursuit of happiness

here's d sol:27 shud hv bn 28 as d difference dat d nos.in
d series carry b/w dm is dat of a prime no.
16-13=3
21-16=5
28-21=7
39-28=11
52-39=13
69-52=17
thus,27 is d wrng no.

Is This Answer Correct ?    48 Yes 7 No

what is the wrong number in the series-13,16,21,27,39,52,69..

Answer / akumars001

as u said the digit gap is odd but u may easily see that the
odd diff. are increasing with 2 each time while considering
ur ans 28 but it's not valid for next sequence i.e. 39 as
there should be a gap of 9

Is This Answer Correct ?    8 Yes 1 No

what is the wrong number in the series-13,16,21,27,39,52,69..

Answer / kamlesh

13 it cant divided by any number

Is This Answer Correct ?    7 Yes 5 No

what is the wrong number in the series-13,16,21,27,39,52,69..

Answer / rohini

27

Is This Answer Correct ?    1 Yes 0 No

what is the wrong number in the series-13,16,21,27,39,52,69..

Answer / ankita

28

Is This Answer Correct ?    2 Yes 6 No

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