Number Puzzle #125
find the missing number in below series
1,2,5,7,11,??,17
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It is a prime number series
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1,2,5,7,11,-,17
(2 votes, average: 1.00 out of 5) (2 votes, average: 1.00 out of 5)
Answer will b 15 i th8nk
12 and 15 answer. because 1 and 2 continue and then 2 numbers hide 3 and 4, so 5 next 1 number hide i.e 6 then 7, next 3 numbers hide 8,9,10 and display 11. From this they hide the number in this series 0213. as per this next number is 12 after 2 number should hide 13, 14 and display 15 and then 1 number hide 16, then display 17. the series is 1, 2, 5, 7, 11, 12, 15, 17….
or maybe 13
12
Answer is 13 coz this is a prime number series…
Yp..
12
13
Is the last no 17 only ? Isn’t it 19 ?
If its 19 then the answer is 14